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Note 8 - Leases - Lease Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Fixed lease income | [1] | $ 354,465 | $ 340,990 | $ 1,052,126 | $ 1,009,358
Variable lease income | [2] | 85,452 | 83,689 | 261,781 | 248,650
Above-market and below-market leases amortization, net |  | 3,967 | 3,107 | 13,969 | 10,088
Total lease income |  | 441,816 | 429,042 | 1,319,162 | 1,274,969
COVID 19 [Member] |  |  |  |  |
Adjustments for potentially uncollectible revenues and disputed amounts | [3] | $ (2,068) | $ 1,256 | $ (8,714) | $ 6,873
[1] | Includes minimum base rents, expense reimbursements, ancillary income and straight-line rent adjustments.
[2] | Includes minimum base rents, expense reimbursements, percentage rent, lease termination fee income and ancillary income.
[3] | The amounts represent adjustments associated with potentially uncollectible revenues and disputed amounts.

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- Definition Amount of fixed lease payments from operating lease, excluding amount included in measurement of lease receivable. + References No definition available. + Details
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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479016/842-30-45-3 + Details
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- Definition Amount of operating lease income from variable lease payments paid and payable to lessor, excluding amount included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-6A + Details
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