Parent Company Financial Statements - Condensed Balance Sheets (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and due from banks	$ 23,480	$ 34,190
Federal funds sold		2,554
Other assets	10,463	12,717
Total assets	1,713,443	1,720,197
Liabilities:
Subordinated debentures	40,508	40,671
Accrued interest payable	31	1,154
Other liabilities	19,787	23,007
Total liabilities	1,548,083	1,578,575
Stockholders' equity:
Common stock, $1 par value. Authorized 10,000,000 shares; issued 6,534,587 and 6,455,566 as of December 31, 2021 and December 31, 2020	6,535	6,456
Surplus	83,663	81,196
Treasury stock - 426,693 and 320,000 shares at December 31, 2021 and December 31, 2020	(8,860)	(5,828)
Unearned common stock held by employee stock ownership plan	(1,602)	(1,768)
Retained earnings	84,916	59,010
Accumulated other comprehensive income	708	2,556
Total stockholders' equity	165,360	141,622
Total liabilities and stockholders' equity	$ 1,713,443	$ 1,720,197
Common stock, par value	$ 1	$ 1
Common stock, Authorized shares	25,000,000	10,000,000
Common Stock, Shares, Issued	6,534,587	6,455,566
Treasury stock shares held	426,693	320,000
Parent Company
Stockholders' equity:
Treasury stock shares held	426,693	320,000
Parent Company | Reportable Legal Entities
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and due from banks	$ 2,836	$ 213
Investment in subsidiaries	200,410	180,288
Other assets	1,382	360
Total assets	204,628	180,861
Liabilities:
Subordinated debentures	39,057	38,904
Accrued interest payable	6	6
Other liabilities	205	329
Total liabilities	39,268	39,239
Stockholders' equity:
Common stock, $1 par value. Authorized 10,000,000 shares; issued 6,534,587 and 6,455,566 as of December 31, 2021 and December 31, 2020	6,535	6,456
Surplus	83,663	81,196
Treasury stock - 426,693 and 320,000 shares at December 31, 2021 and December 31, 2020	(8,860)	(5,828)
Unearned common stock held by employee stock ownership plan	(1,602)	(1,768)
Retained earnings	84,916	59,010
Accumulated other comprehensive income	708	2,556
Total stockholders' equity	165,360	141,622
Total liabilities and stockholders' equity	$ 204,628	$ 180,861
Common stock, par value	$ 1	$ 1
Common stock, Authorized shares	25,000,000	25,000,000
Common Stock, Shares, Issued	6,534,587	6,455,566