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Note 8 - Loans (Details Textual) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017
Impaired Financing Receivable, Recorded Investment, Total | $ 117,009,000 | $ 117,353,000
Percentage Of Charge Off To Contractual Balances For Impaired Loans | 7.40% | 7.20%
Financing Receivable, Modifications, Subsequent Default, Recorded Investment | $ 0 |
Loans and Leases Receivable, Impaired, Commitment to Lend | $ 0 |
Minimum [Member] |  |
Period Loan Is In Payment Default | 60 days |
Maximum [Member] |  |
Period Loan Is In Payment Default | 90 days |
Nonaccrual Loans [Member] |  |
Impaired Financing Receivable, Recorded Investment, Total | $ 42,400,000 | $ 48,800,000
Accruing Troubled Debt Restructuring [Member] |  |
Impaired Financing Receivable, Recorded Investment, Total |  | 68,600,000
Financing Receivable, Modifications, Recorded Investment | 74,600,000 | 68,600,000
Allowance for Credit Losses, Change in Method of Calculating Impairment | 1,600,000 | 1,900,000
Non-accruing Troubled Debt Restructuring [Member] |  |
Financing Receivable, Modifications, Recorded Investment | 27,700,000 | 33,400,000
Allowance for Credit Losses, Change in Method of Calculating Impairment | $ 1,900,000 | $ 83,000

X
- Definition Percentage of charge-off to contractual balances for impaired loans. + References No definition available. + Details
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- Definition Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings. + References No definition available. + Details
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- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18845-111554 + Details
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X
- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
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- Definition Reflects the unfunded portion of contractual agreements to lend funds to borrowers for loans whose terms have been modified by troubled debt restructuring. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82895541&loc=d3e18794-111554 + Details
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