Net Earnings Per Share - Reconciliation of Basic and Diluted Net Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator
Net income	$ 436,632	$ 516,264	$ 587,121
Preferred stock dividends	(28,473)	(15,375)	(11,958)
Net income available to common stockholders, basic	$ 408,159	$ 500,889	$ 575,163
Denominator
Weighted-average common shares outstanding (in shares)	114,050,578	113,684,782	111,895,433
Basic net income per share (in dollars per share)	$ 3.58	$ 4.41	$ 5.14
Numerator
Net income	$ 436,632	$ 516,264	$ 587,121
Preferred stock dividends	(28,473)	(15,375)	(11,958)
Net income available to common stockholders, diluted	$ 408,159	$ 500,889	$ 575,163
Denominator
Weighted-average common shares outstanding (in shares)	114,050,578	113,684,782	111,895,433
Weighted-average effect of dilutive securities (in shares)	395,515	329,239	1,190,890
Number of shares used in per share computation	114,446,093	114,014,021	113,086,323
Diluted earnings per share (in dollars per share)	$ 3.57	$ 4.39	$ 5.09