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Other Real Estate Owned (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Mortgage Loans in Process of Foreclosure, Amount	$ 636,000		$ 349,000
Other Real Estate Owned At Carrying Value	921,000	$ 1,802,000	1,226,000	$ 2,351,000
Real Estate Owned, Valuation Allowance, Amounts Applied	(23,000)	(9,000)
Real Estate Owned, Valuation Allowance, Valuation Increase	0	25,000
Real Estate Owned, Valuation Allowance	0	(321,000)	(23,000)	$ (305,000)
Other Real Estate, Disposals	(351,000)	(1,086,000)
Other Real Estate, Valuation Adjustments	0	(25,000)
Other Real Estate, Additions	46,000	$ 562,000
Other real estate owned at carrying value before valuation allowance	921,000		1,249,000
Multi Family Mortgage Loans [Member]
Other Real Estate Owned At Carrying Value	0		276,000
Real Estate Owned, Valuation Allowance	0		0
Other real estate owned at carrying value before valuation allowance	0		276,000
One to Four Family Residential Real Estate Loans [Member]
Other Real Estate Owned At Carrying Value	921,000		875,000
Real Estate Owned, Valuation Allowance	0		0
Other real estate owned at carrying value before valuation allowance	921,000		875,000
Nonresidential Real Estate [Member]
Other Real Estate Owned At Carrying Value	0		74,000
Real Estate Owned, Valuation Allowance	0		0
Other real estate owned at carrying value before valuation allowance	0		74,000
Land [Member]
Other Real Estate Owned At Carrying Value	0		1,000
Real Estate Owned, Valuation Allowance	0		(23,000)
Other real estate owned at carrying value before valuation allowance	0		24,000
Residential Real Estate [Member]
Repossessed Assets	$ 0		$ 0

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Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

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-SubTopic 10
-Section 50
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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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Valuation adjustments made to 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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For each period for which an income statement is required, disclosure of the changes in the allowance, including balances at end of period.

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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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Amount of gain recognized in the income statement for an increase in valuation of real estate owned (REO).

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