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	0	0	0	0	0	1,190	0	1,190
Other comprehensive income (loss)	0	0	0	0	0	0	1,197	1,197
Stock compensation expense	0	0	0	112	0	0	0	112
Cash dividends declared on common stock	0	0	0	0	0	(812)	0	(812)
Other comprehensive income (loss)	0	0	0	0	0	0	1,197	1,197
Balance at Mar. 31, 2020	421	3,785	3,513	46,869	(2,114)	39,209	(4,138)	87,545
Balance at Dec. 31, 2019	421	3,785	3,513	46,757	(2,114)	38,831	(5,335)	85,858
Net income								2,484
Other comprehensive income (loss)							1,694
Other comprehensive income (loss)							1,694
Balance at Jun. 30, 2020	421	3,785	3,513	46,981	(2,114)	39,599	(3,641)	88,544
Balance at Mar. 31, 2020	421	3,785	3,513	46,869	(2,114)	39,209	(4,138)	87,545
Net income	0	0	0	0	0	1,294	0	1,294
Other comprehensive income (loss)	0	0	0	0	0	0	497	497
Stock compensation expense	0	0	0	112	0	0	0	112
Cash dividends declared on common stock	0	0	0	0	0	(813)	0	(813)
Cash dividends declared on preferred stock	0	0	0	0	0	(91)	0	(91)
Other comprehensive income (loss)	0	0	0	0	0	0	497	497
Balance at Jun. 30, 2020	421	3,785	3,513	46,981	(2,114)	39,599	(3,641)	88,544
Balance at Dec. 31, 2020	421	3,785	3,529	47,200	(2,114)	42,143	(3,484)	91,480
Net income	0	0	0	0	0	2,174	0	2,174
Other comprehensive income (loss)	0	0	0	0	0	0	(2,080)	(2,080)
Stock compensation expense	0	0	0	112	0	0	0	112
Cash dividends declared on common stock	0	0	0	0	0	(816)	0	(816)
Other comprehensive income (loss)	0	0	0	0	0	0	(2,080)	(2,080)
Balance at Mar. 31, 2021	421	3,785	3,529	47,312	(2,114)	43,501	(5,564)	90,870
Balance at Dec. 31, 2020	421	3,785	3,529	47,200	(2,114)	42,143	(3,484)	91,480
Net income								4,108
Other comprehensive income (loss)							(852)
Other comprehensive income (loss)							(852)
Balance at Jun. 30, 2021	421	3,785	3,529	47,424	(2,114)	44,524	(4,336)	93,233
Balance at Mar. 31, 2021	421	3,785	3,529	47,312	(2,114)	43,501	(5,564)	90,870
Net income	0	0	0	0	0	1,934	0	1,934
Other comprehensive income (loss)	0	0	0	0	0	0	1,228	1,228
Stock compensation expense	0	0	0	112	0	0	0	112
Cash dividends declared on common stock	0	0	0	0	0	(816)	0	(816)
Cash dividends declared on preferred stock	0	0	0	0	0	(95)	0	(95)
Other comprehensive income (loss)	0	0	0	0	0	0	1,228	1,228
Balance at Jun. 30, 2021	$ 421	$ 3,785	$ 3,529	$ 47,424	$ (2,114)	$ 44,524	$ (4,336)	$ 93,233