Condensed Financial Information of Parent Company - Schedule of Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 34,904	$ 28,604	$ 25,176
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Stock-based compensation expense	6,732	2,859	2,267
Other, net	3,104	(6,330)	3,792
Net cash provided by operating activities	51,608	34,547	47,781
Cash flows from investing activities:
Net decrease (increase) in securities	(232,083)	(494,226)	(20,043)
Net increase in loans	(122,326)	(68,664)	(119,183)
Net (increase) decrease in payments in advance of funding	(2,348)	(96,864)	11,595
Purchase of bank-owned life insurance	(4,000)	(25,119)	0
Purchases of premises and equipment, net	(5,866)	(4,369)	(2,001)
Net cash used in investing activities	(306,390)	(528,517)	(43,900)
Cash flows from financing activities:
Net (increase) decrease in accounts and drafts receivable from customers	(90,787)	6	59,404
Net decrease in short-term borrowings	0	0	(18,000)
Cash dividends paid	(15,442)	(15,446)	(15,599)
Purchase of common shares for treasury	(5,299)	(30,997)	(6,825)
Other financing activities, net	(594)	(850)	(1,098)
Net cash (used in) provided by financing activities	(59,204)	338,370	462,693
Net (decrease) increase in cash and cash equivalents	(313,986)	(155,600)	466,574
Parent Company
Cash flows from operating activities:
Net income	34,904	28,604	25,176
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Equity in undistributed income of subsidiaries	(25,618)	(17,252)	(18,043)
Net change in other assets	(4,640)	(212)	6,054
Increase (Decrease) in Other Operating Liabilities	6,462	(9,307)	(6,525)
Stock-based compensation expense	6,732	2,859	2,267
Other, net	25,412	20,921	18,236
Net cash provided by operating activities	43,252	25,613	27,165
Cash flows from investing activities:
Net decrease (increase) in securities	3,064	(226,090)	65,689
Net increase in loans	(34,295)	8,799	(2,545)
Net (increase) decrease in payments in advance of funding	(2,347)	(96,864)	11,595
Purchase of bank-owned life insurance	(4,000)	(25,119)	0
Purchases of premises and equipment, net	(5,851)	(2,233)	(1,810)
Asset acquisition of TouchPoint	(4,814)	0	0
Net cash used in investing activities	(48,243)	(341,507)	72,929
Cash flows from financing activities:
Net (increase) decrease in accounts and drafts receivable from customers	(90,787)	6	59,404
Net increase in accounts and drafts payable	16,393	208,650	148,935
Net decrease in short-term borrowings	0	0	(18,000)
Cash dividends paid	(15,442)	(15,446)	(15,599)
Purchase of common shares for treasury	(5,299)	(30,997)	(6,825)
Other financing activities, net	(594)	(850)	(1,098)
Net cash (used in) provided by financing activities	(95,729)	161,363	166,817
Net (decrease) increase in cash and cash equivalents	(100,720)	(154,531)	266,911
Cash and cash equivalents at beginning of year	132,635	287,166	20,255
Cash and cash equivalents at end of year	$ 31,915	$ 132,635	$ 287,166