Net Income Per Common Share - Reconciliation of Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Income Available to Common Stockholders
Net income available to common stockholders	$ 38,522	$ 55,559	$ 87,108	$ 105,028
Diluted net income per common share	$ 38,522	$ 55,559	$ 87,108	$ 105,028
Weighted-Average Common Shares
Net income available to common stockholders (in shares)	59,030,618	53,956,296	56,237,209	53,943,248
Effect of potentially dilutive stock options and restricted stock awards (in shares)	277,281	228,128	278,889	216,084
Diluted net income per common share (in shares)	59,307,899	54,184,424	56,516,098	54,159,332
Per Share Amount
Net income available to common stockholders (in dollars per share)	$ 0.64	$ 1.03	$ 1.55	$ 1.95
Diluted net income per common share (in dollars per share)	$ 0.63	$ 1.03	$ 1.54	$ 1.94