Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Preferred Stock [Member]	Additional Paid-in Capital, Preferred [Member]	Common Stock [Member]	Additional Paid-in Capital, Common [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance at Dec. 31, 2018	$ 421	$ 3,785	$ 3,501	$ 46,401	$ (2,114)	$ 34,190	$ (6,357)	$ 79,827
Net income						7,954		7,954
Other comprehensive income (loss)							1,022	1,022
Cash dividends declared on preferred stock						(182)		(182)
Issuance of common stock for restricted stock awards			12	(12)
Stock compensation expense				368				368
Cash dividends declared on common stock						(3,131)		(3,131)
Balance at Dec. 31, 2019	421	3,785	3,513	46,757	(2,114)	38,831	(5,335)	85,858
Net income						6,748		6,748
Other comprehensive income (loss)							1,851	1,851
Cash dividends declared on preferred stock						(186)		(186)
Issuance of common stock for restricted stock awards			16	(16)
Stock compensation expense				459				459
Cash dividends declared on common stock						(3,250)		(3,250)
Balance at Dec. 31, 2020	$ 421	$ 3,785	$ 3,529	$ 47,200	$ (2,114)	$ 42,143	$ (3,484)	$ 91,480