Represents the amount of modified TDR sold during the period.

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The amount of gain on sale of real estate classified as troubled debt restructuring.

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No definition available.

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Represents the amount of loss on sale of real estate classified as troubled debt restructuring (TDR).

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No definition available.

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Represents number of assets foreclosed on during the period.

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Represents number of real estate which is classified as troubled debt restructuring (TDR) sold during the period.

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No definition available.

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Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.

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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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Amount of financing receivable on nonaccrual status.

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Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring.

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Carrying amount as of the balance sheet date of assets other than real property that were received in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance.

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Note 5 - Loans (Details Textual)	3 Months Ended		9 Months Ended
Note 5 - Loans (Details Textual)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend	$ 0		$ 0
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	0	0	0	0
Financing Receivable, Nonaccrual	$ 14,260,000		$ 14,260,000		$ 16,253,000
Extension of Credit [Member]
Commitments and Contingencies	67,300,000		67,300,000
Extension of Lines of Credit [Member]
Commitments and Contingencies	$ 228,500,000		228,500,000
Commercial Real Estate Portfolio Segment [Member]
Number of Real Estate Classified as Troubled Debt Restructuring Sold	1			1
Financing Receivable, Modification, Sold During Period				$ 1,800,000
Loss on Sale of Real Estate Classified as Troubled Debt Restructuring				300,000
Multi-family Residential Portfolio Segment [Member]
Financing Receivable, Modification, Sold During Period				300,000
Gain on Sale of Real Estate Classified as Troubled Debt Restructuring				$ 200,000
Taxi Medallion Portfolio Segment [Member]
Number of Assets Foreclosed on During the Period				1
Taxi Medallion Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Nonaccrual	$ 2,200,000		2,200,000		$ 3,900,000
Taxi Medallion Portfolio Segment [Member] \| Other Assets [Member]
Other Repossessed Assets		$ 35,000		$ 35,000
Commercial Business and Other Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Nonaccrual	$ 1,000,000.0		$ 1,000,000.0