Condensed Parent Company Only Financial Statements - Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 38,733	$ 38,058	$ 42,716
Changes in:
Net decrease (increase) in other assets	5,151	(12,818)	(11,322)
Net (decrease) increase in other liabilities	(3,796)	13,922	169
Cash flows from financing activities:
Cash dividends paid, net of dividend reinvestment plan	(10,277)	(9,734)	(8,521)
Proceeds from issuance of common stock	37	44	47
Net settlement for employee taxes on restricted stock and options	(409)	(447)	(433)
Net proceeds from exercise of stock options	363	180	118
Cash and cash equivalents at beginning of year	56,592	267,589	436,576
Cash and cash equivalents at end of year	83,841	56,592	267,589
Parent
Cash flows from operating activities:
Net income	38,733	38,058	42,716
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net income of subsidiaries	(30,801)	(30,315)	(36,701)
Payment from subsidiary bank for stock compensation expense	2,335	2,305	2,315
Changes in:
Net decrease (increase) in other assets	(30)	(253)	205
Net (decrease) increase in other liabilities	317	322	202
Net cash provided by operating activities	10,554	10,117	8,737
Cash flows from investing activities:
Investment in subsidiary	0	0	0
Net cash used in investing activities	0	0	0
Cash flows from financing activities:
Cash dividends paid, net of dividend reinvestment plan	(10,277)	(9,734)	(8,521)
Proceeds from issuance of common stock	37	44	47
Net settlement for employee taxes on restricted stock and options	(409)	(447)	(433)
Net proceeds from exercise of stock options	363	180	118
Net cash used in financing activities	(10,286)	(9,957)	(8,789)
Net increase (decrease) in cash and cash equivalents	268	160	(52)
Cash and cash equivalents at beginning of year	2,089	1,929	1,981
Cash and cash equivalents at end of year	$ 2,357	$ 2,089	$ 1,929