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These shares were sold in multiple transactions at prices ranging from $88.44 to $89.42, inclusive.  The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4."}],"balance_after":6339,"source":{"system":"sec-edgar","filing":"0001225208-26-007533","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1376437/000122520826007533/doc4.xml","form_type":"4"}},{"id":819,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2026-09-02T20:42:45.000Z","date":"2026-09-01","kind":"sale","planned":true,"acquired":false,"shares":585,"price":89.6822,"value":52464.087,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4."}],"balance_after":12154,"source":{"system":"sec-edgar","filing":"0001225208-26-007533","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1376437/000122520826007533/doc4.xml","form_type":"4"}},{"id":709614,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2026-07-14T20:13:28.000Z","date":"2026-07-13","kind":"sale","planned":true,"acquired":false,"shares":12411,"price":80.0836,"value":993917.5596,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4."}],"balance_after":27511,"source":{"system":"sec-edgar","filing":"0001225208-26-006600","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520826006600/doc4.xml","form_type":"4"}},{"id":717471,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2026-07-02T20:21:56.000Z","date":"2026-06-30","kind":"grant","planned":false,"acquired":true,"shares":279,"price":70.0625,"value":19547.4375,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the ICF International, Inc. 2006 Employee Stock Purchase Plan (the ESPP), for the ESPP purchase period of January 2, 2026 through June 30, 2026.  This transaction is also exempt pursuant to Rule 16b-3(c)."},{"field":"date","element":"transactionDate","label":"F2","text":"The Offering Period (as defined in the ESPP) ended on June 30, 2026, and the shares were acquired on the last business day of the Offering Period."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of June 30, 2026, the last trading day prior to the end of the Offering Period."}],"balance_after":21582,"source":{"system":"sec-edgar","filing":"0001225208-26-006396","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520826006396/doc4.xml","form_type":"4"}},{"id":829080,"issuer":{"id":740,"kind":"organization","name":"ICF International, 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This transaction is also exempt pursuant to Rule 16b-3(c)."},{"field":"date","element":"transactionDate","label":"F2","text":"The Offering Period (as defined in the ESPP) ended on December 31, 2024, and the shares were acquired on the last business day of the Offering Period."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of December 31, 2024, the last trading day prior to the end of the Offering Period."}],"balance_after":184,"source":{"system":"sec-edgar","filing":"0001225208-25-000036","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520825000036/doc4.xml","form_type":"4"}},{"id":1364832,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2024-11-14T22:22:18.000Z","date":"2024-11-13","kind":"gift","planned":false,"acquired":false,"shares":2970,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4."}],"balance_after":51022,"source":{"system":"sec-edgar","filing":"0001225208-24-008342","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520824008342/doc4.xml","form_type":"4"}},{"id":1418844,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2024-08-30T20:21:31.000Z","date":"2024-08-29","kind":"sale","planned":true,"acquired":false,"shares":1417,"price":165.1443,"value":234009.4731,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4."}],"balance_after":19045,"source":{"system":"sec-edgar","filing":"0001225208-24-007342","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520824007342/doc4.xml","form_type":"4"}},{"id":1462290,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2024-07-02T20:08:47.000Z","date":"2024-06-28","kind":"grant","planned":false,"acquired":true,"shares":83,"price":141.6498,"value":11756.9334,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"The reporting person is voluntarily reporting the acquisition of shares of the issuer's common stock pursuant to the ICF International, Inc. 2006 Employee Stock Purchase Plan (the ESPP), for the ESPP purchase period of January 1, 2024 through June 28, 2024.  This transaction is also exempt pursuant to Rule 16b-3(c)."},{"field":"date","element":"transactionDate","label":"F2","text":"The Offering Period (as defined in the ESPP) ended on June 28, 2024, and the shares were acquired on the last business day of the Offering Period."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of June 28, 2024, the last trading day prior to the end of the Offering Period."}],"balance_after":18663,"source":{"system":"sec-edgar","filing":"0001225208-24-007185","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520824007185/doc4.xml","form_type":"4"}},{"id":1563145,"issuer":{"id":740,"kind":"organization","name":"ICF International, 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Wasson Rev. 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The criteria have been met and these shares represent the vesting of the shares pursuant to that award."}],"balance_after":17829,"source":{"system":"sec-edgar","filing":"0001225208-24-001028","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520824001028/doc4.xml","form_type":"4"}},{"id":1687206,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2024-01-04T21:58:41.000Z","date":"2024-01-02","kind":"sale","planned":true,"acquired":false,"shares":2500,"price":135,"value":337500.0,"ownership":{"direct":false,"nature":"John M. Wasson Rev. 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This transaction is also exempt pursuant to Rule 16b-3(c)."},{"field":"date","element":"transactionDate","label":"F2","text":"The Offering Period (as defined in the ESPP) ended on December 29, 2023, and the shares were acquired on the last business day of the Offering Period."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of December 29, 2023, the last trading day prior to the end of the Offering Period."}],"balance_after":226,"source":{"system":"sec-edgar","filing":"0001225208-24-000073","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520824000073/doc4.xml","form_type":"4"}},{"id":1699372,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2023-12-27T21:25:37.000Z","date":"2023-12-26","kind":"sale","planned":true,"acquired":false,"shares":4423,"price":133.2847,"value":589518.2281,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4."}],"balance_after":27483,"source":{"system":"sec-edgar","filing":"0001225208-23-011350","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520823011350/doc4.xml","form_type":"4"}},{"id":1699371,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2023-12-27T21:25:37.000Z","date":"2023-12-26","kind":"sale","planned":true,"acquired":false,"shares":577,"price":133.786,"value":77194.522,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) and (2) to this Form 4."}],"balance_after":31906,"source":{"system":"sec-edgar","filing":"0001225208-23-011350","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520823011350/doc4.xml","form_type":"4"}},{"id":1795085,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2023-08-28T20:32:39.000Z","date":"2023-08-25","kind":"gift","planned":false,"acquired":false,"shares":1000,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"John M. 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This transaction is also exempt pursuant to Rule 16b-3(c)."},{"field":"date","element":"transactionDate","label":"F2","text":"The Offering Period (as defined in the ESPP) ended on December 31, 2022, and the shares were acquired on the last business day of the Offering Period."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of December 30, 2022, the last trading day prior to the end of the Offering Period."}],"balance_after":1890,"source":{"system":"sec-edgar","filing":"0001225208-23-000070","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520823000070/doc4.xml","form_type":"4"}},{"id":2115907,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Restricted Stock Units","published_at":"2022-11-15T21:05:44.000Z","date":"2022-11-11","kind":"exercise","acquired":false,"shares":2999,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The exercise price for the restricted stock unit exercise was $103.70."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The exercise price for the restricted stock unit exercise was $103.70."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents the 3rd  vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents the 3rd  vesting anniversary (50%) of acquired restricted stock units granted pursuant to the 2018 Omnibus Incentive Plan, as amended."}],"balance_after":32168,"derivative":{"underlying":"Common","underlying_shares":2999},"source":{"system":"sec-edgar","filing":"0001225208-22-011679","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822011679/doc4.xml","form_type":"4"}},{"id":2115906,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-11-15T21:05:44.000Z","date":"2022-11-11","kind":"tax_withholding","acquired":false,"shares":1353,"price":103.7,"value":140306.1,"ownership":{"direct":true},"balance_after":1843,"source":{"system":"sec-edgar","filing":"0001225208-22-011679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822011679/doc4.xml","form_type":"4"}},{"id":2115905,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-11-15T21:05:44.000Z","date":"2022-11-11","kind":"exercise","acquired":true,"shares":2999,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The exercise price for the restricted stock unit exercise was $103.70."}],"balance_after":3196,"source":{"system":"sec-edgar","filing":"0001225208-22-011679","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822011679/doc4.xml","form_type":"4"}},{"id":2143902,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-10-04T20:09:55.000Z","date":"2022-10-03","kind":"sale","acquired":false,"shares":1500,"price":110.0421,"value":165063.15,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4."}],"balance_after":26740,"source":{"system":"sec-edgar","filing":"0001225208-22-010680","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822010680/doc4.xml","form_type":"4"}},{"id":2147013,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-10-03T20:33:01.000Z","date":"2022-09-30","kind":"sale","acquired":false,"shares":1000,"price":110.223,"value":110223.0,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4."}],"balance_after":28240,"source":{"system":"sec-edgar","filing":"0001225208-22-010593","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822010593/doc4.xml","form_type":"4"}},{"id":2148590,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-09-30T21:23:31.000Z","date":"2022-09-28","kind":"sale","acquired":false,"shares":1951,"price":105.6742,"value":206170.3642,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4."}],"balance_after":29240,"source":{"system":"sec-edgar","filing":"0001225208-22-010518","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822010518/doc4.xml","form_type":"4"}},{"id":2148589,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-09-30T21:23:31.000Z","date":"2022-09-28","kind":"sale","acquired":false,"shares":549,"price":106.1309,"value":58265.8641,"ownership":{"direct":false,"nature":"John M. 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The reporting person undertakes to provide to ICF International, Inc., any security holder of ICF International, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) and (3) to this Form 4."}],"balance_after":31191,"source":{"system":"sec-edgar","filing":"0001225208-22-010518","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822010518/doc4.xml","form_type":"4"}},{"id":2148588,"issuer":{"id":740,"kind":"organization","name":"ICF International, Inc.","symbol":"ICFI"},"owners":[{"id":741,"kind":"person","name":"Wasson John","position":1,"cik":"0001376437","reported_name":"Wasson John","relationship":{"director":true,"officer":true,"officer_title":"CEO & President"}}],"security":"Common","published_at":"2022-09-30T21:02:50.000Z","date":"2022-09-08","kind":"gift","acquired":false,"shares":48800,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"John M. 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This transaction is also exempt pursuant to Rule 16b-3(c)."},{"field":"date","element":"transactionDate","label":"F2","text":"The Offering Period (as defined in the ESPP) ended on June 30, 2022, and the shares were acquired on the last business day of the Offering Period."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"In accordance with the ESPP, these shares were purchase at a price not less than ninety-five percent (95%) of the per share fair market value of the Common Shares (as defined in the ESPP) as of June 30, 2022, the last trading day prior to the end of the Offering Period."}],"balance_after":14801,"source":{"system":"sec-edgar","filing":"0001225208-22-008381","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1362004/000122520822008381/doc4.xml","form_type":"4"}},{"id":2301110,"issuer":{"id":740,"kind":"organization","name":"ICF International, 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These restricted stock units vest over a period of three (3) years, at 25% on each of the first two anniversaries of the grant and 50% on the third anniversary from the day of grant."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"These acquired restricted stock units were granted pursuant to ICF International, Inc.'s 2018 Omnibus Incentive Plan, as amended. 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