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Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Repurchase of Class A common stock, shares | 2,000 |  |
Forfeitures of restricted Class A common stock, shares | 0 | 22,000 |
Dividends declared per share of common stock | $ 0.17 | $ 0.56 | $ 0.72
Dividends declared and paid per share of common stock | $ 0.17 | $ 0.56 | $ 0.72
Class A Common Stock [Member] |  |  |
Equity-based compensation, shares | 1,133,725 | 434,694 | 527,951
Grant of exchangeability and redemption of limited partnership interests, shares | 13,190,311 | 15,008,431 | 18,287,721
Issuance of Class A common stock (net of costs), shares | 390,570 | 212,711 | 26,003,424
Exchange class A to class B common stock, shares |  |  | 11,036,273
Repurchase of Class A common stock, shares | 2,259 | 233,172 | 788,788
Forfeitures of restricted Class A common stock, shares |  | 22,000 | 231,602
Issuance of Class A common stock and RSUs for acquisitions, shares | 391,000 | 1,039,000 |
Forfeiture of Class A common stock, shares |  | 22,046 |
Class A Common Stock [Member] | Smith Mack [Member] |  |  |
Issuance of Class A common stock and RSUs for acquisitions, shares | 390,775 | 1,039,452 | 1,743,963
Class A Common Stock [Member] | Partnership Units [Member] |  |  |
Redemption of FPUs | 730,141 | 56,878 | 108,967

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