Business Combinations - Pro-Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition, Pro Forma Information [Abstract]
Net interest income	$ 288,971	$ 281,244
Net income available to common shareholders	$ 140,851	$ 71,124
EPS - basic (in dollars per share)	$ 2.41	$ 1.27
EPS - diluted (in dollars per share)	$ 2.39	$ 1.26