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Note 5 - Loans and Allowance for Credit Losses - Troubled Debt Restructurings (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2016 USD ($)
Number of Contracts | 9 |  | 10
Troubled debt restructings | $ 8,796 |  | $ 13,291
Specific allowance | 1,955 |  | 1,775
Restructured and subsequently defaulted | 237 | $ 5,000 |
Commercial Portfolio Segment [Member] |  |  |
Troubled debt restructings | 3,330 |  | 3,571
Specific allowance | 855 |  | 855
Restructured and subsequently defaulted | 237 |  |
Income Producing Portfolio Segment [Member] |  |  |
Troubled debt restructings | 4,397 |  | 4,397
Specific allowance | 1,100 |  | 920
Restructured and subsequently defaulted |  |  |
Owner Occupied Portfolio Segment [Member] |  |  |
Troubled debt restructings | 367 |  | 390
Specific allowance |  |  |
Restructured and subsequently defaulted |  |  |
Construction Portfolio Segment [Member] | Commercial and Residential Loan [Member] |  |  |
Troubled debt restructings | 702 |  | 4,933
Specific allowance |  |  |
Restructured and subsequently defaulted |  |  |
Performing Financial Instruments [Member] |  |  |
Number of Contracts | 7 |  | 7
Troubled debt restructings | $ 7,901 |  | $ 7,924
Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |  |
Troubled debt restructings | 3,137 |  | 3,137
Performing Financial Instruments [Member] | Income Producing Portfolio Segment [Member] |  |  |
Troubled debt restructings | 4,397 |  | 4,397
Performing Financial Instruments [Member] | Owner Occupied Portfolio Segment [Member] |  |  |
Troubled debt restructings | 367 |  | 390
Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] | Commercial and Residential Loan [Member] |  |  |
Troubled debt restructings |  |  |
Nonperforming Financial Instruments [Member] |  |  |
Number of Contracts | 2 |  | 3
Troubled debt restructings | $ 895 |  | $ 5,367
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |  |
Troubled debt restructings | 193 |  | 434
Nonperforming Financial Instruments [Member] | Income Producing Portfolio Segment [Member] |  |  |
Troubled debt restructings |  |  |
Nonperforming Financial Instruments [Member] | Owner Occupied Portfolio Segment [Member] |  |  |
Troubled debt restructings |  |  |
Nonperforming Financial Instruments [Member] | Construction Portfolio Segment [Member] | Commercial and Residential Loan [Member] |  |  |
Troubled debt restructings | $ 702 |  | $ 4,933

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- Definition Number of financing receivables outstanding that have been modified by troubled debt restructurings. + References No definition available. + Details
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X
- 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 Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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- 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://www.xbrl.org/2003/role/presentationRef -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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