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Share-based Compensation and Equity - Summary of Non-vested Restricted Stock and Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Shares      
Non-vested, beginning of period (in shares) 1,000 1,251 1,895
Granted (in shares) 818 969 1,003
Vested (in shares) (822) (861) (765)
Forfeited (in shares) (305) (359) (882)
Non-vested, end of period (in shares) 691 1,000 1,251
Weighted Average Grant Date Fair Value      
Non-vested, beginning balance (in dollars per share) $ 15.81 $ 14.69 $ 15.31
Granted (in dollars per share) 13.98 15.80 15.10
Vested (in dollars per share) 15.01 14.11 16.18
Forfeited (in dollars per share) 15.32 15.95 15.20
Non-vested, end of period (in dollars per share) $ 14.82 $ 15.81 $ 14.69