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Other Real Estate Owned (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Mar. 31, 2018	Dec. 31, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Mortgage Loans in Process of Foreclosure, Amount	$ 600		$ 600			$ 1,500
Other Real Estate Owned At Carrying Value	985	$ 3,569	985	$ 3,569	$ 1,187	2,351	$ 3,569	$ 4,896	$ 3,895
Real Estate Owned, Valuation Allowance, Amounts Applied	(22)	(63)	(309)	(278)
Real Estate Owned, Valuation Allowance, Valuation Increase	1	227	27	301
Real Estate Owned, Valuation Allowance	(23)	(472)	(23)	(472)	$ (44)	(305)	$ (472)	$ (308)	$ (449)
Other Real Estate, Disposals	(604)	(1,205)	(2,580)	(2,066)
Other Real Estate, Valuation Adjustments	(1)	(227)	(27)	(301)
Other Real Estate, Additions	403	$ 105	1,241	$ 2,041
Other real estate owned at carrying value before valuation allowance	1,008		1,008			2,656
Foreclosed Residential Real Estate [Member]
Real Estate Owned, Valuation Allowance						(352)
Multi Family Mortgage Loans [Member]
Other Real Estate Owned At Carrying Value	276		276			0
Real Estate Owned, Valuation Allowance	0		0			0
Other real estate owned at carrying value before valuation allowance	276		276			0
One to Four Family Residential Real Estate Loans [Member]
Other Real Estate Owned At Carrying Value	634		634			827
Real Estate Owned, Valuation Allowance	0		0			(9)
Other real estate owned at carrying value before valuation allowance	634		634			836
Nonresidential Real Estate [Member]
Other Real Estate Owned At Carrying Value	74		74			1,520
Real Estate Owned, Valuation Allowance	0		0			(252)
Other real estate owned at carrying value before valuation allowance	74		74			1,772
Land [Member]
Other Real Estate Owned At Carrying Value	1		1			4
Real Estate Owned, Valuation Allowance	(23)		(23)			(44)
Other real estate owned at carrying value before valuation allowance	$ 24		$ 24			$ 48

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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Additions of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.

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Disposals of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure.

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Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off.

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