Stock-Based Compensation - Summary of Restricted Stock Activity (Details) - Restricted Stock and Restricted Stock Units - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Shares
Non-vested balance at beginning of period (in shares)	1,381,922	1,399,127
Granted (in shares)	312,636	371,524
Vested (in shares)	(195,502)	(241,406)
Canceled and forfeited (in shares)	(86,172)	(116,361)
Non-vested balance at end of period (in shares)	1,412,884	1,412,884
Weighted — Average Grant-Date Fair Value per Share
Non-vested balance at beginning of period (in dollars per share)	$ 28.47	$ 28.72
Granted (in dollars per share)	28.25	27.90
Vested (in dollars per share)	23.53	24.66
Canceled and forfeited (in dollars per share)	18.48	22.47
Non-vested balance at end of period (in dollars per share)	$ 29.72	$ 29.72