The number of days past due.

No definition available.

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- Definition

Amount of other addition (reduction) in allowance reserve for credit loss.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

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- Definition

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

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount, before allowance and fees, of loans and leases receivable. Excludes loans and leases covered under loss sharing agreements.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

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Amount, before allowance for credit loss, of financing receivable.

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Note 8 - Loans and Related Allowance for Loan and Lease Losses (Details Textual) xbrli-pure in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Loans and Leases Receivable, Deferred Income, Total	$ 1,400,000			$ 1,400,000		$ 1,600,000
Financing Receivable, Troubled Debt Restructuring	3,600,000			$ 3,600,000		4,400,000
Number of Days Past Due				90 days
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans				$ 211,000		456,000
Allowance for Loan and Lease Losses, Write-offs	98,000		$ 315,000	613,000	$ 329,000
Loans and Leases Receivable, Allowance, Ending Balance	$ 7,304,000	$ 7,206,000	$ 7,502,000	$ 7,304,000	$ 7,502,000	7,428,000	$ 7,551,000	$ 7,190,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts	0		0	0	0
Commercial And Industrial [Member]
Allowance for Loan and Lease Losses, Write-offs	$ 9,000			$ 355,000	$ 9,000
Loans and Leases Receivable, Allowance, Ending Balance	539,000	586,000	1,180,000	539,000	1,180,000	969,000	1,256,000	999,000
Real Estate Construction Porfolio Segment [Member]
Allowance for Loan and Lease Losses, Write-offs
Loans and Leases Receivable, Allowance, Ending Balance	90,000	748,000	$ 89,000	90,000	$ 89,000	$ 100,000	$ 92,000	$ 313,000
Threshold For Loans Evaluated For Impairment [Member]
Loans and Leases Receivable, before Fees, Gross	500,000			500,000
Threshold For Loans Evaluated For Impairment [Member] \| Outside Consultant [Member]
Loans and Leases Receivable, before Fees, Gross	250,000			250,000
Threshold For Loans Evaluated For Impairment [Member] \| Criticized Relationships [Member]
Financing Receivable, before Allowance for Credit Loss, Total	150,000			150,000
Provision Fluctuation [Member] \| Commercial And Industrial [Member]
Allowance for Loan and Lease Losses, Write-offs		336,000
Loans and Leases Receivable, Allowance, Ending Balance		$ 358,000
Provision Fluctuation [Member] \| Real Estate Construction Porfolio Segment [Member]
Allowance for Loan and Lease Losses, Adjustments, Other	$ 661,000			$ 661,000