Acquisition and Preliminary Purchase Price Allocation - Acquisition And Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands	Mar. 10, 2023	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Identifiable assets:
Cash and cash equivalents		$ 318,682	$ 156,276
Bank owned life insurance		118,875	118,122
Other assets		129,627	124,153
Deposits		5,055,801	4,934,262
Other liabilities		121,210	$ 121,868
Citizens Commerce Bancshares, Inc.
Asset Acquisition [Line Items]
Common stock	$ 61,570
Cash	13
Consideration	61,583
Identifiable assets:
Cash and cash equivalents	14,041
Investment securities	41,008
FHLB stock	620
Loans	251,406
Fixed assets	3,237
Bank owned life insurance	2,966
Deferred tax assets, net	1,623
Other assets	5,198
Total identifiable assets	320,099
Deposits	299,251
Short-term borrowings	6,500
Other liabilities	1,864
Total identifiable liabilities	307,615	0		$ 307,104
Net identifiable assets (liabilities)	12,484
Goodwill	40,821	0		40,451
Total	61,583
Citizens Commerce Bancshares, Inc. | Core Deposits
Identifiable assets:
Core deposit intangible	$ 8,278	$ 0		$ 8,278