Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Shares	Paid-in Capital	Retained Earnings Adoption of ASU 2016-13 (CECL)	Retained Earnings	Accumulated Other Comprehensive (Loss) Income	Adoption of ASU 2016-13 (CECL)	Total
Balance, beginning of period at Dec. 31, 2021	$ 16,030	$ (6,716)	$ 144,453		$ 142,612	$ 5,026		$ 301,405
Balance (in shares) at Dec. 31, 2021	16,030,172
Balance (in shares) at Dec. 31, 2021		271,082
Net income					6,895			6,895
Other comprehensive income, net						(25,204)		(25,204)
Cash dividends declared on common stock					(4,434)			(4,434)
Shares issued for dividend reinvestment plan		$ 405	12					417
Shares issued for dividend reinvestment plan (in shares)		(16,134)
Shares issued from treasury related to exercise of stock options		$ 175	(34)					141
Shares issued from treasury related to exercise of stock options (in shares)		(7,024)
Restricted stock granted		$ 1,932	(1,932)					0
Restricted stock granted (in shares)		(78,243)
Forfeiture of restricted stock		$ (124)	124					0
Forfeiture of restricted stock (in shares)		6,072
Stock-based compensation expense			368					368
Purchase of restricted stock for tax withholding		$ (153)						(153)
Purchase of restricted stock for tax withholding (in shares)		6,054
Treasury stock purchases		$ (3,227)						(3,227)
Treasury stock purchases (in shares)		129,642
Balance, end of period at Mar. 31, 2022	$ 16,030	$ (7,708)	142,991		145,073	(20,178)		276,208
Balance (in shares) at Mar. 31, 2022	16,030,172
Balance (in shares) at Mar. 31, 2022		311,449
Balance, beginning of period at Dec. 31, 2022	$ 16,030	$ (12,520)	143,950	$ (1,652)	151,743	(49,878)	$ (1,652)	249,325
Balance (in shares) at Dec. 31, 2022	16,030,172
Balance (in shares) at Dec. 31, 2022		511,353
Net income					6,253			6,253
Other comprehensive income, net						7,081		7,081
Cash dividends declared on common stock					(4,354)			(4,354)
Shares issued for dividend reinvestment plan		$ 432	(29)					403
Shares issued for dividend reinvestment plan (in shares)		(17,695)
Restricted stock granted		$ 1,314	(1,314)					0
Restricted stock granted (in shares)		(53,788)
Forfeiture of restricted stock		$ (411)	411					0
Forfeiture of restricted stock (in shares)		19,222
Stock-based compensation expense			377					377
Purchase of restricted stock for tax withholding		$ (203)						(203)
Purchase of restricted stock for tax withholding (in shares)		8,615
Treasury stock purchases		$ (1,662)						(1,662)
Treasury stock purchases (in shares)		77,430
Balance, end of period at Mar. 31, 2023	$ 16,030	$ (13,050)	$ 143,395		$ 151,990	$ (42,797)		$ 255,568
Balance (in shares) at Mar. 31, 2023	16,030,172
Balance (in shares) at Mar. 31, 2023		545,137