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Note 7 - Loans - Troubled Debt Restructuring Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Charge-offs |  |  |  |
Accruing Troubled Debt Restructuring [Member] |  |  |  |
Restructured loans restored to accrual status |  |  |  | 10,303
Payments | (1,100) | (1,505) | (5,695) | (3,316)
Restructured loans placed on non-accrual status |  | (1,138) | (5,822) | (1,138)
Expiration of loan concession upon renewal |  | (14,886) | (2,240) | (14,886)
Ending balance | 79,819 | 74,708 | 79,819 | 74,708
Beginning balance | 80,419 | 90,172 | 65,393 | 81,680
New restructurings | 500 | 2,065 | 28,183 | 2,065
Non-accruing Troubled Debt Restructuring [Member] |  |  |  |
Restructured loans restored to accrual status |  | 1,138 | 5,822 | 1,138
Charge-offs | (497) | (945) | (1,546) | (945)
Payments | (2,237) | (1,105) | (3,227) | (7,516)
Foreclosures |  |  | (726) |
Restructured loans placed on non-accrual status |  |  |  | (10,303)
Ending balance | 30,045 | 25,442 | 30,045 | 25,442
Beginning balance | 32,779 | 23,209 | 29,722 | 39,923
New restructurings |  | $ 3,145 |  | $ 3,145

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- Definition Represents information about troubled debt restructurings, expiration of loan concession upon renewal. + 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://www.xbrl.org/2003/role/presentationRef -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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- Definition Reflects the amount of the write-down related to a troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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