Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020
Basic
Net income	$ 68,668	$ 67,136	$ 25,740
Less: Dividends and undistributed earnings allocated to participating securities	(665)	(629)	(232)
Net income allocated to common stockholders	$ 68,003	$ 66,507	$ 25,508
Weighted average common shares outstanding (in shares)	93,529,147	93,568,994	59,007,191
Basic earnings per common share (in dollars per share)	$ 0.73	$ 0.71	$ 0.43
Diluted
Net income allocated to common stockholders	$ 68,003	$ 66,507	$ 25,508
Weighted average common shares outstanding (in shares)	93,529,147	93,568,994	59,007,191
Diluted effect of share-based compensation (in shares)	564,497	400,194	182,526
Weighted average diluted common shares (in shares)	94,093,644	93,969,188	59,189,717
Diluted earnings per common share (in dollars per share)	$ 0.72	$ 0.71	$ 0.43