Net Income 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
Earnings Per Share [Abstract]
Net income available to common stockholders	$ 205,531	$ 148,600	$ 164,460
Net income available to common stockholders	$ 205,531	$ 148,600	$ 164,460
Weighted-Average Shares
Net income available to common stockholders (in shares)	53,783,632	54,058,471	51,412,133
Effect of dilutive stock options and warrants (in shares)	200,597	161,913	149,105
Net income available to common stockholders (in shares)	53,984,229	54,220,384	51,561,238
Basic net income per share:
Net income available to common stockholders (in dollars per share)	$ 3.82	$ 2.75	$ 3.20
Diluted net income per share:
Net income available to common stockholders (in dollars per share)	$ 3.81	$ 2.74	$ 3.19