Acquisition and Preliminary Purchase Price Allocation - Acquisition And Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands	Mar. 10, 2023	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Asset Acquisition [Line Items]
Cash and cash equivalents		$ 110,716	$ 200,000
Bank owned life insurance		117,979	120,674
Other assets		161,659	149,263
Deposits		4,945,134	4,869,866
Other liabilities		142,187	$ 139,424
Citizens Commerce Bancshares, Inc.
Asset Acquisition [Line Items]
Common stock	$ 61,570
Stock option buyout	495
Cash	13
Consideration	62,078
Cash and cash equivalents	14,013
Investment securities	41,008
FHLB stock	620
Loans	251,406
Fixed assets	3,237
Bank owned life insurance	2,966
Deferred tax assets, net	1,481
Other assets	5,007
Total identifiable assets	319,738	319,738		$ 0
Deposits	299,251
Short-term borrowings	6,500
Other liabilities	1,362
Total identifiable liabilities	307,113	307,113		0
Net identifiable assets (liabilities)	12,625
Goodwill		41,175		0
Total	62,078
Citizens Commerce Bancshares, Inc. | Core Deposits
Asset Acquisition [Line Items]
Core deposit intangible	$ 8,278	$ 8,278		$ 0