Acquisition and Preliminary Purchase Price Allocation - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 108,941	$ 108,941
Adjustment to goodwill acquired in conjunction with the acquisition of Citizens	40,961	0
Ending balance	149,902	108,941
Citizens Commerce Bancshares, Inc.
Goodwill [Roll Forward]
Goodwill, Beginning Balance	0	0
Adjustment to goodwill acquired in conjunction with the acquisition of Citizens	40,961
Ending balance	$ 40,961	$ 0