Acquisition and Preliminary Purchase Price Allocation - Acquisition And Preliminary Purchase Price Allocation (Details) - USD ($) $ in Thousands	Mar. 10, 2023	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Asset Acquisition [Line Items]
Cash and cash equivalents		$ 231,281	$ 200,000
Bank owned life insurance		117,173	120,674
Other assets		148,333	149,263
Deposits		5,015,063	4,869,866
Other liabilities		123,865	$ 139,424
Citizens Commerce Bancshares, Inc.
Asset Acquisition [Line Items]
Common stock	$ 61,570
Stock option buyout	495
Acquisition of Citizens Commerce Bancshares, Inc.	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	5,722
Total identifiable assets	320,453	320,453		$ 0
Deposits	299,250
Short-term borrowings	6,500
Other liabilities	1,361
Total identifiable liabilities	307,111	(307,111)		0
Net identifiable assets (liabilities)	13,342
Goodwill	40,458	40,458		0
Total	62,078
Citizens Commerce Bancshares, Inc. | Core Deposits
Asset Acquisition [Line Items]
Core deposit intangible	$ 8,278	$ 8,278		$ 0