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Note 8 - Loans - Troubled Debt Restructuring Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Charge-offs | $ (811) | $ 0 | $ (811) | $ 0
Accruing Troubled Debt Restructuring [Member] |  |  |  |
Beginning balance | 62,948 | 82,785 | 65,071 | 68,566
New restructurings | 13,244 | 5,127 | 15,192 | 22,447
Restructured loans restored to accrual status | 0 | 0 | 0 | 2,318
Payments | (9,998) | (2,855) | (14,069) | (6,746)
Restructured loans placed on non-accrual status | (1,296) | (570) | (1,296) | (2,098)
Ending balance | 64,898 | 84,487 | 64,898 | 84,487
Non-accruing Troubled Debt Restructuring [Member] |  |  |  |
Beginning balance | 23,301 | 31,195 | 24,189 | 33,415
New restructurings | 3,160 | 0 | 3,160 | 231
Restructured loans restored to accrual status | 0 | 0 | 0 | (2,318)
Payments | (4,489) | (1,257) | (4,970) | (2,918)
Restructured loans placed on non-accrual status | 1,296 | 570 | 1,296 | 2,098
Ending balance | 22,457 | 30,347 | 22,457 | 30,347
Charge-offs | $ (811) | $ (161) | $ (1,218) | $ (161)

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- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 Reference 2: 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=118939409&loc=d3e18845-111554 + Details
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