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Note 3 - Real Estate (Details Textual) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Operating Lease, Lease Income, Total | $ 278,871 | $ 286,004
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, Net of Tax, Attributable to Noncontrolling Interest | 3,000 |
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation | 1,000 |
Acquired [Member] |  |
Operating Lease, Lease Income, Total | 1,600 |
Rite Aid Distribution Center [Member] |  |
Prepaid Rent | $ 17,700 |

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