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Note 5 - Loans - Non-accrual Loans (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Non-accrual portfolio loans | $ 48,787 | $ 49,682 | $ 52,130
Non-accrual loans held-for-sale | 8,000 | 7,500 | 5,944
Total non-accrual loans | 56,787 | 57,182 | 58,074
Contractual interest due | 3,302 | 3,462 | 3,997
Nonaccrual Loans [Member] |  |  |
Contractual interest due | 3,254 | 1,573 | 5,732
Interest recognized | 86 | 95 | 119
Net interest foregone | $ 3,168 | $ 1,478 | $ 5,613

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- Definition Loans in non-accrual status. + References No definition available. + Details
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- Definition Loans in non-accrual status classified as held-for-sale loans. + References No definition available. + Details
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- Definition Loans in non-accrual status classified as portfolio loans. + References No definition available. + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
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- Definition Amount of interest income recognized on a cash-basis method of accounting that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
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- Definition 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). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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- Details
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