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Rental Income - Lease Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Leases [Abstract] |  |  |  |
Fixed lease payments | $ 171,866 | $ 214,282 | $ 538,601 | $ 641,007
Variable lease payments | 21,979 | 32,581 | 70,892 | 88,539
Total lease payments | 193,845 | 246,863 | 609,493 | 729,546
Amortization of acquired above and below-market leases | 1,670 | 1,165 | 4,539 | 3,559
Total rental revenue | 195,515 | 248,028 | 614,032 | 733,105
Loss recognized at commencement, net(1) | (5,973) | 0 | (5,973) | 0
Interest income(2) | 484 | 0 | 484 | 0
Total loss recognized on sales-type leases | $ (5,489) | $ 0 | $ (5,489) | $ 0

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- Definition Amount of non-cash amortization of intangible asset (liability) for above and below market leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=118952077&loc=SL77927221-108306 + Details
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