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Loans - Schedule of Change in Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Beginning balance	$ 2,053	$ 1,899	$ 2,243	$ 3,991
(Credit) provision for loan losses	45		45	(2,100)
Charge-offs			(202)	(12)
Recoveries	6	6	18	26
Ending balance	2,104	1,905	2,104	1,905
Individually evaluated for impairment, Recorded investment	3,979		3,979		$ 6,743
Individually evaluated for impairment, Allowance for loan losses	818		818		1,244
Collectively evaluated for impairment, Recorded investment	90,172		90,172		72,545
Collectively evaluated for impairment, Allowance for loan losses	1,286		1,286		999
Residential Real Estate [Member]
Beginning balance	537	665	544	641
(Credit) provision for loan losses	(5)	(118)	(12)	(94)
Charge-offs
Recoveries
Ending balance	532	547	532	547
Individually evaluated for impairment, Recorded investment	948		948		954
Individually evaluated for impairment, Allowance for loan losses	262		262		268
Collectively evaluated for impairment, Recorded investment	25,735		25,735		26,250
Collectively evaluated for impairment, Allowance for loan losses	270		270		276
Multi-Family Real Estate [Member]
Beginning balance	41	53	88	59
(Credit) provision for loan losses		36	(47)	30
Charge-offs
Recoveries
Ending balance	41	89	41	89
Individually evaluated for impairment, Recorded investment
Individually evaluated for impairment, Allowance for loan losses
Collectively evaluated for impairment, Recorded investment	4,172		4,172		8,195
Collectively evaluated for impairment, Allowance for loan losses	41		41		88
Commercial Real Estate [Member]
Beginning balance	658	706	545	725
(Credit) provision for loan losses	87	(208)	395	(227)
Charge-offs			(195)
Recoveries
Ending balance	745	498	745	498
Individually evaluated for impairment, Recorded investment	2,219		2,219		3,861
Individually evaluated for impairment, Allowance for loan losses					162
Collectively evaluated for impairment, Recorded investment	49,778		49,778		31,110
Collectively evaluated for impairment, Allowance for loan losses	745		745		386
Land and Construction [Member]
Beginning balance	7	59	37	56
(Credit) provision for loan losses	7	(34)	(35)	(43)
Charge-offs
Recoveries	6	6	18	18
Ending balance	20	31	20	31
Individually evaluated for impairment, Recorded investment
Individually evaluated for impairment, Allowance for loan losses
Collectively evaluated for impairment, Recorded investment	2,077		2,077		3,661
Collectively evaluated for impairment, Allowance for loan losses	20		20		36
Commercial [Member]
Beginning balance	558	266	850	55
(Credit) provision for loan losses	32	(4)	(260)	207
Charge-offs
Recoveries
Ending balance	590	262	590	262
Individually evaluated for impairment, Recorded investment	812		812		1,928
Individually evaluated for impairment, Allowance for loan losses	556		556		814
Collectively evaluated for impairment, Recorded investment	3,862		3,862		3,069
Collectively evaluated for impairment, Allowance for loan losses	34		34		36
Consumer [Member]
Beginning balance	11	42	25	86
(Credit) provision for loan losses	165	(12)	158	(52)
Charge-offs			(7)	(12)
Recoveries				8
Ending balance	176	30	176	30
Individually evaluated for impairment, Recorded investment
Individually evaluated for impairment, Allowance for loan losses
Collectively evaluated for impairment, Recorded investment	4,548		4,548		260
Collectively evaluated for impairment, Allowance for loan losses	176		176		25
Unallocated [Member]
Beginning balance	241	108	154	2,369
(Credit) provision for loan losses	(241)	340	(154)	(1,921)
Charge-offs
Recoveries
Ending balance		$ 448		$ 448
Individually evaluated for impairment, Recorded investment
Individually evaluated for impairment, Allowance for loan losses
Collectively evaluated for impairment, Recorded investment
Collectively evaluated for impairment, Allowance for loan losses					$ 152

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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