Available for Sale Securities (Detail Textuals) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($) Individual	Mar. 31, 2019 USD ($) Individual
Debt Securities, Available-for-sale [Line Items]
Number of individual available-for-sale securities with unrealized losses \| Individual	96	92
Unrealized Losses	$ 3,273	$ 2,071
Aggregate percentage of depreciation	3.35%	2.26%
Proceeds from the sale of available for sale securities and calls	$ 2,113
Losses on sales of investment securities	22
Federal Home Loan Bank of New York ("FHLBNY") \| Available-for-sale Securities
Debt Securities, Available-for-sale [Line Items]
Available for sale securities pledged to secure Federal Home Loan Bank of New York ("FHLBNY") borrowings	27,465	$ 26,837
Available for sale securities pledged to secure Federal Reserve Bank of New York ("FRBNY") borrowings	$ 1,032	$ 1,191

Represents the Aggregate percentage of depreciation.

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The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for Federal Reserve Bank debt obligations, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

+ References

No definition available.

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 9
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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 50
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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position.

+ References

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-Publisher FASB
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The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for FHLB debt obligations, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

+ References

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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