Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - 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, 2019	$ 421	$ 3,785	$ 3,513	$ 46,757	$ (2,114)	$ 38,831	$ (5,335)	$ 85,858
Net income						1,190		1,190
Other comprehensive income (loss)							1,197	1,197
Stock compensation expense				112				112
Cash dividends declared on common stock						(812)		(812)
Balance at Mar. 31, 2020	421	3,785	3,513	46,869	(2,114)	39,209	(4,138)	87,545
Balance at Dec. 31, 2020	421	3,785	3,529	47,200	(2,114)	42,143	(3,484)	91,480
Net income						2,174		2,174
Other comprehensive income (loss)							(2,080)	(2,080)
Stock compensation expense				112				112
Cash dividends declared on common stock						(816)		(816)
Balance at Mar. 31, 2021	$ 421	$ 3,785	$ 3,529	$ 47,312	$ (2,114)	$ 43,501	$ (5,564)	$ 90,870