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Note 4 - Loans/Leases Receivable - Troubled Debt Restructurings (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($) loan | Dec. 31, 2019 USD ($) loan
Number of Loans / Leases | 4 | 15
Pre-Modification Recorded Investment | $ 1,022 | $ 1,143
Post-Modification Recorded Investment | $ 1,022 | 1,093
Specific Allowance |  | $ 89
Payment Deferral [Member] |  |
Number of Loans / Leases | loan | 3 | 13
Pre-Modification Recorded Investment | $ 187 | $ 500
Post-Modification Recorded Investment | $ 187 | 500
Specific Allowance |  | $ 35
Direct financing leases | Payment Deferral [Member] |  |
Number of Loans / Leases | loan | 2 | 10
Pre-Modification Recorded Investment | $ 112 | $ 388
Post-Modification Recorded Investment | $ 112 | 388
Specific Allowance |  | $ 35
Commercial Portfolio Segment [Member] | Payment Deferral [Member] |  |
Number of Loans / Leases | loan | 1 | 3
Pre-Modification Recorded Investment | $ 75 | $ 112
Post-Modification Recorded Investment | $ 75 | $ 112
Commercial Portfolio Segment [Member] | Principal Forgiveness [Member] |  |
Number of Loans / Leases | loan |  | 1
Pre-Modification Recorded Investment |  | $ 587
Post-Modification Recorded Investment |  | $ 537
Consumer Portfolio Segment [Member] | Extended Maturity [Member] |  |
Number of Loans / Leases | loan | 1 |
Pre-Modification Recorded Investment | $ 835 |
Post-Modification Recorded Investment | $ 835 |
Installment And Other Consumer [Member] | Extended Maturity [Member] |  |
Number of Loans / Leases | loan |  | 1
Pre-Modification Recorded Investment |  | $ 56
Post-Modification Recorded Investment |  | 56
Specific Allowance |  | $ 54

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- Definition Specific allowance of amount of investment in financing receivables modified by troubled debt restructurings. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + 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=121611835&loc=SL6953676-111524 + Details
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- Definition Amount, after troubled debt restructuring, of modified financing receivable. + 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=121611835&loc=SL6953676-111524 + Details
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- Definition Amount, before troubled debt restructuring, of financing receivable to be modified. + 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=121611835&loc=SL6953676-111524 + Details
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