Parent Company Financial Statements, Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets [Abstract]
Cash on deposit	$ 51,306	$ 46,558
Goodwill	65,490	65,490
Premises and equipment, net	42,633	40,479
Deferred tax asset	39,878	0
Other assets	28,463	30,970
Total assets	5,380,316	5,418,257
Liabilities and shareholders' equity [Abstract]
Long-term debt	57,841	57,841
Other liabilities	32,134	31,392
Total liabilities	4,752,269	4,720,055
Shareholders' equity	628,047	698,202	$ 654,865	$ 614,886
Total liabilities and shareholders' equity	5,380,316	5,418,257
Parent Company [Member]
Assets [Abstract]
Cash on deposit	2,933	3,263
Investment in and advances to subsidiaries	679,425	749,002
Goodwill	4,973	4,973
Premises and equipment, net	133	114
Deferred tax asset	260	890
Other assets	4,808	5,427
Total assets	692,532	763,669
Liabilities and shareholders' equity [Abstract]
Long-term debt	61,341	61,341
Other liabilities	3,144	4,126
Total liabilities	64,485	65,467
Shareholders' equity	628,047	698,202
Total liabilities and shareholders' equity	$ 692,532	$ 763,669