Net Income per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 69,884	$ 61,922
Less distributed and undistributed earnings allocated to participating securities	47	197
Net Income (Loss) Available to Common Stockholders, Basic	$ 69,837	$ 61,725
Weighted average common shares outstanding basic (in shares)	38,288	38,216
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	405	623
Weighted Average Number of Shares Outstanding, Diluted	38,693	38,839
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	25	0