Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2019	6,137,275
Balance at Dec. 31, 2019	$ 0	$ 40,752	$ 41,600	$ (924)	$ 81,428
Net income	0	0	1,676	0	1,676
Other comprehensive income (loss)	0	0	0	(39)	(39)
Dividends paid	$ 0	0	(794)	0	(794)
Common stock repurchased (in shares)	(70,000)
Common stock repurchased	$ 0	(800)	0	0	(800)
Balance (in shares) at Mar. 31, 2020	6,067,275
Balance at Mar. 31, 2020	$ 0	39,952	42,482	(963)	81,471
Balance (in shares) at Dec. 31, 2019	6,137,275
Balance at Dec. 31, 2019	$ 0	40,752	41,600	(924)	81,428
Net income					4,188
Other comprehensive income (loss)					508
Balance (in shares) at Sep. 30, 2020	6,060,775
Balance at Sep. 30, 2020	$ 0	39,885	44,206	(416)	83,675
Balance (in shares) at Mar. 31, 2020	6,067,275
Balance at Mar. 31, 2020	$ 0	39,952	42,482	(963)	81,471
Net income	0	0	1,097	0	1,097
Other comprehensive income (loss)	$ 0	0	0	602	602
Common stock repurchased (in shares)	(6,500)
Common stock repurchased	$ 0	(67)	0	0	(67)
Balance (in shares) at Jun. 30, 2020	6,060,775
Balance at Jun. 30, 2020	$ 0	39,885	43,579	(361)	83,103
Net income	0	0	1,415	0	1,415
Other comprehensive income (loss)	0	0	0	(55)	(55)
Dividends paid	$ 0	0	(788)	0	(788)
Balance (in shares) at Sep. 30, 2020	6,060,775
Balance at Sep. 30, 2020	$ 0	39,885	44,206	(416)	83,675
Balance (in shares) at Dec. 31, 2020	6,045,775
Balance at Dec. 31, 2020	$ 0	39,740	45,887	(521)	85,106
Net income	0	0	1,847	0	1,847
Other comprehensive income (loss)	0	0	0	(1,362)	(1,362)
Dividends paid	$ 0	0	(785)	0	(785)
Common stock repurchased (in shares)	(10,000)
Common stock repurchased	$ 0	(109)	0	0	(109)
Restricted stock issued (in shares)	14,500
Restricted stock issued	$ 0	0	0	0	0
Balance (in shares) at Mar. 31, 2021	6,050,275
Balance at Mar. 31, 2021	$ 0	39,631	46,949	(1,883)	84,697
Balance (in shares) at Dec. 31, 2020	6,045,775
Balance at Dec. 31, 2020	$ 0	39,740	45,887	(521)	85,106
Net income					6,849
Other comprehensive income (loss)					(1,023)
Balance (in shares) at Sep. 30, 2021	5,981,100
Balance at Sep. 30, 2021	$ 0	38,812	51,112	(1,544)	88,380
Balance (in shares) at Mar. 31, 2021	6,050,275
Balance at Mar. 31, 2021	$ 0	39,631	46,949	(1,883)	84,697
Net income	0	0	2,302	0	2,302
Other comprehensive income (loss)	$ 0	0	0	464	464
Common stock repurchased (in shares)	(35,000)
Common stock repurchased	$ 0	(427)	0	0	(427)
Share-based compensation	$ 0	14	0	0	14
Balance (in shares) at Jun. 30, 2021	6,015,275
Balance at Jun. 30, 2021	$ 0	39,218	49,251	(1,419)	87,050
Net income	0	0	2,700	0	2,700
Other comprehensive income (loss)	0	0	0	(125)	(125)
Dividends paid	$ 0	0	(839)	0	(839)
Common stock repurchased (in shares)	(34,175)
Common stock repurchased	$ 0	(420)	0	0	(420)
Share-based compensation	$ 0	14	0	0	14
Balance (in shares) at Sep. 30, 2021	5,981,100
Balance at Sep. 30, 2021	$ 0	$ 38,812	$ 51,112	$ (1,544)	$ 88,380