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These awards were amended by the Compensation Committee of the Issuer's Board of Directors on February 8, 2022 to revise the vesting terms thereunder from performance-based to time-based and therefore are being moved to Table I, consistent with prior grants of time-based RSUs by the Issuer to the Reporting Person. The total reported in Column 5 of this Form 4 includes the 14,285 time-based RSUs previously reported as performance-based RSUs in Table II of the Prior Form 4."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Due to a 1000 character limit, Footnote 3 is a continuation of Footnote 2: Each such RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. Subject to the Reporting Person's continuous service as an employee of the Issuer, 25% of the RSUs will vest on January 1, 2023 and 6.25% of the RSUs will vest on the last day of each three-month period thereafter until January 1, 2026. 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Such vesting may be accelerated in connection with a Change of Control (as defined in the 2017 Plan) or if the Reporting Person's service is terminated by the Issuer without Cause or by the Reporting Person for Good Reason (each as defined in the Reporting Person's PSU grant agreement). Any vested PSUs will settle within 60 days of the date of vesting."},{"field":"derivative.underlying_shares","element":"underlyingSecurityShares","label":"F3","text":"Each performance-based RSU (\"PSU\") represents a contingent right to receive one share of the Issuer's Class A Common Stock, based on the Issuer's total shareholder return (\"TSR\") compared to pre-established relative TSR goals, based on the median TSR of the TSR of the companies that comprise the S&P 500 Index as of the day before the applicable performance period, that were set by the Compensation Committee of the Issuer's Board of Directors. 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