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Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock
12 Months Ended
Dec. 31, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Shares, Nonvested at January 1, 2021 | shares 3,259,389
Shares, Granted | shares 2,028,547
Shares, Vested | shares (2,798,872)
Shares, Forfeited | shares (382,884)
Shares, Nonvested at December 31, 2021 | shares 2,106,180
Weighted Average Grant-Date Fair Value, Nonvested at January 1, 2020 | $ / shares $ 13.51
Weighted Average Grant-Date Fair Value, Granted | $ / shares 15.56
Weighted Average Grant-Date Fair Value, Vested | $ / shares 13.56
Weighted Average Grant-Date Fair Value, Forfeited | $ / shares 14.59
Weighted Average Grant-Date Fair Value, Nonvested at December 31, 2021 | $ / shares $ 14.94