Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Unearned ESOP Shares [Member]	AOCI Attributable to Parent [Member]	Total
BALANCE (in shares) at Dec. 31, 2018	11,170,018
BALANCE at Dec. 31, 2018	$ 112	$ 105,825	$ 81,607	$ (10,549)	$ (4,731)	$ 172,264
Net income			6,796			6,796
Common stock repurchased (in shares)	(372,237)
Common stock repurchased	$ (4)	(3,719)	(2,274)			(5,997)
Restricted stock award grants net of forfeitures (in shares)	19,400
Restricted stock awards canceled (in shares)	(16,249)
Restricted stock awards canceled	$ 0	(266)				(266)
Other comprehensive (loss) income, net of tax					4,059	4,059
Share-based compensation		804				804
ESOP shares committed to be released		142		494		636
Cash dividends declared and paid			(986)			(986)
BALANCE (in shares) at Sep. 30, 2019	10,800,932
BALANCE at Sep. 30, 2019	$ 108	102,786	85,143	(10,055)	(672)	177,310
BALANCE (in shares) at Jun. 30, 2019	10,925,181
BALANCE at Jun. 30, 2019	$ 109	104,064	83,795	(10,220)	(1,347)	176,401
Net income			2,510			2,510
Common stock repurchased (in shares)	(131,400)
Common stock repurchased	$ (1)	(1,314)	(835)			(2,150)
Restricted stock award grants net of forfeitures (in shares)	23,400
Restricted stock awards canceled (in shares)	(16,249)
Restricted stock awards canceled	$ 0	(266)				(266)
Other comprehensive (loss) income, net of tax					675	675
Share-based compensation		251				251
ESOP shares committed to be released		51		165		216
Cash dividends declared and paid			(327)			(327)
BALANCE (in shares) at Sep. 30, 2019	10,800,932
BALANCE at Sep. 30, 2019	$ 108	102,786	85,143	(10,055)	(672)	$ 177,310
BALANCE (in shares) at Dec. 31, 2019	10,731,639					10,731,639
BALANCE at Dec. 31, 2019	$ 107	102,017	86,156	(9,890)	(1,539)	$ 176,851
Net income			6,524			6,524
Common stock repurchased (in shares)	(560,306)
Common stock repurchased	$ (5)	(5,599)	(1,565)			(7,169)
Restricted stock award grants net of forfeitures (in shares)	72,959
Restricted stock awards canceled (in shares)	(10,088)
Restricted stock awards canceled	$ 0	(123)				(123)
Other comprehensive (loss) income, net of tax					4,725	4,725
Share-based compensation		917				917
ESOP shares committed to be released		17		495		512
Cash dividends declared and paid			(1,569)			$ (1,569)
BALANCE (in shares) at Sep. 30, 2020	10,234,204					10,234,204
BALANCE at Sep. 30, 2020	$ 102	97,229	89,546	(9,395)	3,186	$ 180,668
BALANCE (in shares) at Jun. 30, 2020	10,326,226
BALANCE at Jun. 30, 2020	$ 103	98,421	86,633	(9,559)	717	176,315
Net income			3,675			3,675
Common stock repurchased (in shares)	(141,793)
Common stock repurchased	$ (1)	(1,418)	(248)			(1,667)
Restricted stock award grants net of forfeitures (in shares)	59,859
Restricted stock awards canceled (in shares)	(10,088)
Restricted stock awards canceled	$ 0	(123)				(123)
Other comprehensive (loss) income, net of tax					2,469	2,469
Share-based compensation		362				362
ESOP shares committed to be released				164		151
Cash dividends declared and paid			(514)			$ (514)
ESOP shares committed to be released		(13)
BALANCE (in shares) at Sep. 30, 2020	10,234,204					10,234,204
BALANCE at Sep. 30, 2020	$ 102	$ 97,229	$ 89,546	$ (9,395)	$ 3,186	$ 180,668