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Note 5 - Loans and Allowance for Credit Losses - Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Number of Contracts | 10 | 8
Troubled debt restructings | $ 13,291 | $ 12,047
Specific allowance | 1,775 | 655
Commercial Portfolio Segment [Member] |  |
Troubled debt restructings | 3,571 | 1,382
Specific allowance | 855 | 49
Income Producing Portfolio Segment [Member] |  |
Troubled debt restructings | 4,397 | 5,160
Specific allowance | 920 | 6
Owner Occupied Portfolio Segment [Member] |  |
Troubled debt restructings | 390 | 485
Specific allowance |  |
Construction Portfolio Segment [Member] | Commercial and Residential Loan [Member] |  |
Troubled debt restructings | 4,933 | 5,020
Specific allowance |  | $ 600
Performing Financial Instruments [Member] |  |
Number of Contracts | 7 | 7
Troubled debt restructings | $ 7,924 | $ 11,836
Performing Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Troubled debt restructings | 3,137 | 1,171
Performing Financial Instruments [Member] | Income Producing Portfolio Segment [Member] |  |
Troubled debt restructings | 4,397 | 5,160
Performing Financial Instruments [Member] | Owner Occupied Portfolio Segment [Member] |  |
Troubled debt restructings | 390 | 485
Performing Financial Instruments [Member] | Construction Portfolio Segment [Member] | Commercial and Residential Loan [Member] |  |
Troubled debt restructings |  | $ 5,020
Nonperforming Financial Instruments [Member] |  |
Number of Contracts | 3 | 1
Troubled debt restructings | $ 5,367 | $ 211
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |  |
Troubled debt restructings | 434 | 211
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 | $ 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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- 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=66008989&loc=SL6953676-111524 + Details
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