Condensed Financial Statements of Parent Company, Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets [Abstract]
Cash and cash equivalents	$ 187,922	$ 120,437
Securities available-for-sale	234,321	186,409
Other assets	14,832	12,838
Total assets	1,338,155	1,226,191
Liabilities and Stockholders' Equity [Abstract]
Long term borrowings	29,407	1,350
Other liability	5,815	5,291
Common stock	26,006	25,972
Additional paid-in capital	21,458	21,245
Retained earnings	71,679	65,859
Accumulated other comprehensive income (loss)	1,675	4,069
Total liabilities and stockholders' equity	1,338,155	1,226,191
Parent Company [Member]
Assets [Abstract]
Cash and cash equivalents	20,012	1,203
Securities available-for-sale	0	0
Investment in common stock of subsidiaries	130,123	116,848
Other assets	808	507
Total assets	150,943	118,558
Liabilities and Stockholders' Equity [Abstract]
Long term borrowings	29,407	1,350
Other liability	718	63
Common stock	26,006	25,972
Additional paid-in capital	21,458	21,245
Retained earnings	71,679	65,859
Accumulated other comprehensive income (loss)	1,675	4,069
Total liabilities and stockholders' equity	$ 150,943	$ 118,558