Net Income Per Common Share - Basic and Diluted Net Income Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Basic
Net income applicable to common stock	$ 41,833	$ 46,567	$ 116,554	$ 119,792
Average common shares outstanding (in shares)	56,138,618	55,947,214	56,085,556	55,888,226
Net income per common share - basic (in usd per share)	$ 0.75	$ 0.83	$ 2.08	$ 2.14
Diluted
Net income applicable to common stock	$ 41,833	$ 46,567	$ 116,554	$ 119,792
Average common shares outstanding (in shares)	56,138,618	55,947,214	56,085,556	55,888,226
Effect of dilutive stock-based compensation (in shares)	385,269	301,506	308,401	281,660
Average common shares outstanding - diluted (in shares)	56,523,887	56,248,720	56,393,957	56,169,886
Net income per common share - diluted (in usd per share)	$ 0.74	$ 0.83	$ 2.07	$ 2.13