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Leases - Income Relating to Lease Payments (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Income relating to lease payments: |  |
Income from leases | $ 161,443 | $ 181,929
Undiscounted Cash Flows |  |
Variable lease payments | $ 42,298 | $ 45,281

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- Definition Represents lease income from operating lease less straight-line rent adjustment and amortization of favorable and unfavorable leases. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- References No definition available. + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981 + Details
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