Stock Incentive Plans - Summary of Restricted Stock Activity (Details) - Restricted Stock $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Number of Restricted Stock
Outstanding, at beginning of period (in shares) | shares	1,137
Granted (in shares) | shares	15
Vested (in shares) | shares	(8)
Outstanding, at end of period (in shares) | shares	1,144
Weighted Average Grant Date Fair Value
Outstanding, as of beginning of period (in dollars per share) | $ / shares	$ 33.63
Granted (in dollars per share) | $ / shares	42.82
Vested (in dollars per share) | $ / shares	21.77
Outstanding, as of end of period (in dollars per share) | $ / shares	$ 33.83
Total Intrinsic Value of Restricted Stock Vested
Vested | $	$ 389