Parent Company Financial Information, Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statements of Cash Flows [Abstract]
Net income	$ 14,186	$ 12,161
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Stock-based compensation	588	574
Net cash provided by operating activities	25,275	12,590
Cash flows from financing activities [Abstract]
Common stock issued	97	111
Stock repurchases	(5,374)	0
Cash dividends paid in lieu of fractional shares	(8)	(8)
Net cash provided by financing activities	239,855	344,633
Net increase (decrease) in cash and cash equivalents	78,752	155,684
Cash and cash equivalents at beginning of year	267,177	111,493
Cash and cash equivalents at end of year	345,929	267,177
Parent Company [Member]
Statements of Cash Flows [Abstract]
Net income	14,186	12,161
Adjustments to reconcile net income to net cash provided by operating activities [Abstract]
Stock-based compensation	588	574
Equity in undistributed earnings of subsidiary	(12,867)	(12,333)
Net cash provided by operating activities	1,907	402
Cash flows from financing activities [Abstract]
Common stock issued	97	111
Stock repurchases	(5,374)	0
Cash dividends paid in lieu of fractional shares	(8)	(8)
Net cash provided by financing activities	(5,285)	103
Net increase (decrease) in cash and cash equivalents	(3,378)	505
Cash and cash equivalents at beginning of year	4,049	3,544
Cash and cash equivalents at end of year	$ 671	$ 4,049