Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2022
Statement of Stockholders' Equity [Abstract]
Cash dividends declared (in dollars per share)	$ 0.72	$ 0.65	$ 1.43	$ 1.30
Exercise of stock options (in shares)	3,700		5,009
Purchase of treasury shares (in shares)	142,091	269,338	178,529	487,587
Adjustment to shareholders' equity	$ 686,740	$ 636,192	$ 686,740	$ 636,192	$ 577,852
Net income available to common shareholders	29,115	32,733	58,638	57,074
Other comprehensive (loss) income, net of tax	(714)	(14,059)	(11,779)	1,040
Dividends, Common Stock, Cash	(10,590)	(10,212)	(21,388)	(19,697)
Stock-based compensation expense	707	633	1,807	1,726
Restricted awards granted	0	0	0	0
Purchase of treasury shares	$ (14,243)	$ (23,953)	$ (17,896)	(44,056)
Acquisition of Citizens Commerce Bancshares, Inc.				$ 62,078
Accounting Standards Update [Extensible List]					Accounting Standards Update 2022-02 [Member]