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Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock and Restricted Stock Units
3 Months Ended
Mar. 31, 2020
$ / shares
shares
Shares  
Non-vested balance at beginning of period (in shares) | shares 1,399,127
Granted (in shares) | shares 58,888
Vested (in shares) | shares (45,904)
Canceled and forfeited (in shares) | shares (30,189)
Non-vested balance at end of period (in shares) | shares 1,381,922
Weighted — Average Grant-Date Fair Value per Share  
Non-vested balance at beginning of period (in dollars per share) | $ / shares $ 28.72
Granted (in dollars per share) | $ / shares 26.03
Vested (in dollars per share) | $ / shares 29.47
Canceled and forfeited (in dollars per share) | $ / shares 33.86
Non-vested balance at end of period (in dollars per share) | $ / shares $ 28.47