Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital, Preferred [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital, Common [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Preferred Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Additional Paid-in Capital, Preferred [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Additional Paid-in Capital, Common [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjusted Balance [Member]	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						$ (181)		$ (181)	$ 421	$ 3,785	$ 3,501	$ 46,401	$ (2,114)	$ 34,190	$ (6,357)	$ 79,827	$ 421	$ 3,785	$ 3,501	$ 46,401	$ (2,114)	$ 34,371	$ (6,357)	$ 80,008
Net income																						2,082		2,082
Other comprehensive income (loss)																							873	873
Stock compensation expense																				90				90
Cash dividends declared on common stock																						(783)		(783)
Balance at Mar. 31, 2019																	421	3,785	3,501	46,491	(2,114)	35,489	(5,484)	82,089
Balance at Dec. 31, 2018						$ (181)		$ (181)	$ 421	$ 3,785	$ 3,501	$ 46,401	$ (2,114)	$ 34,190	$ (6,357)	$ 79,827	421	3,785	3,501	46,401	(2,114)	34,371	(6,357)	80,008
Net income																								6,391
Other comprehensive income (loss)																							1,881
Balance at Sep. 30, 2019																	421	3,785	3,501	46,672	(2,114)	38,142	(4,476)	85,931
Balance at Mar. 31, 2019																	421	3,785	3,501	46,491	(2,114)	35,489	(5,484)	82,089
Net income																						2,140		2,140
Other comprehensive income (loss)																							911	911
Stock compensation expense																				90				90
Cash dividends declared on common stock																						(782)		(782)
Cash dividends declared on preferred stock																						(91)		(91)
Balance at Jun. 30, 2019																	421	3,785	3,501	46,581	(2,114)	36,756	(4,573)	84,357
Net income																						2,168		2,168
Other comprehensive income (loss)																							97	97
Stock compensation expense																				91				91
Cash dividends declared on common stock																						(782)		(782)
Balance at Sep. 30, 2019																	421	3,785	3,501	46,672	(2,114)	38,142	(4,476)	85,931
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, 2019																	421	3,785	3,513	46,757	(2,114)	38,831	(5,335)	85,858
Net income																								4,282
Other comprehensive income (loss)																							1,748
Balance at Sep. 30, 2020																	421	3,785	3,513	47,093	(2,114)	40,584	(3,587)	89,695
Balance at Mar. 31, 2020																	421	3,785	3,513	46,869	(2,114)	39,209	(4,138)	87,545
Net income																						1,294		1,294
Other comprehensive income (loss)																							497	497
Stock compensation expense																				112				112
Cash dividends declared on common stock																						(813)		(813)
Cash dividends declared on preferred stock																						(91)		(91)
Balance at Jun. 30, 2020																	421	3,785	3,513	46,981	(2,114)	39,599	(3,641)	88,544
Net income																						1,798		1,798
Other comprehensive income (loss)																							54	54
Stock compensation expense																				112				112
Cash dividends declared on common stock																						(813)		(813)
Balance at Sep. 30, 2020																	$ 421	$ 3,785	$ 3,513	$ 47,093	$ (2,114)	$ 40,584	$ (3,587)	$ 89,695