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Note 10 - Other Assets (Details Textual) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Property Held-for-sale, Net Carrying Amount | $ 21,000 |
Property Held-for-sale, Accumulated Depreciation and Amortization | 200 |
Proceeds from Collection of Loans Receivable | 3,742 | $ 114
Mortgage Receivable Scheduled to Mature in November 2021 [Member] |  |
Proceeds from Collection of Loans Receivable | $ 3,600 |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Interest Rate | 4.00% |

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- Definition Represents the accumulated depreciation and amortization associated with property classified as held-for-sale. + References No definition available. + Details
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- Definition Represents the carrying amount, net of accumulated depreciation and amortization, of property classified as held-for-sale. + References No definition available. + Details
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- Definition Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Paragraph Column B -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column B)) -URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
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- Definition The cash inflow associated with the collection, including prepayments, of loans receivable issued for financing of goods and services. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585 + Details
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