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Leases - Summary of Lease Income Types Relating to Lease Payments Along With the Total Other Rental Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | $ 596,824 | $ 592,341 | $ 1,745,648 | $ 1,877,454
Rental income | 623,206 | 622,433 | 1,818,867 | 1,958,270
Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 580,313 | 590,363 | 1,696,070 | 1,845,888
Non-Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 16,511 | 1,978 | 49,578 | 31,566
Residential and Non-Residential Rent [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 565,917 | 582,234 | 1,675,458 | 1,819,561
Residential and Non-Residential Rent [Member] | Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 551,474 | 576,192 | 1,629,778 | 1,783,298
Residential and Non-Residential Rent [Member] | Non-Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 14,443 | 6,042 | 45,680 | 36,263
Utility Recoveries (RUBS Income) [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 18,987 | 17,440 | 55,850 | 53,047
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 18,798 | 17,306 | 55,331 | 52,538
Utility Recoveries (RUBS Income) [Member] | Non-Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 189 | 134 | 519 | 509
Parking Rent [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 10,616 | 9,693 | 30,868 | 29,376
Parking Rent [Member] | Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 10,513 | 9,592 | 30,403 | 29,052
Parking Rent [Member] | Non-Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 103 | 101 | 465 | 324
Other Lease Revenue [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 1,304 | (17,026) | (16,528) | (24,530)
Other Lease Revenue [Member] | Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | (472) | (12,727) | (19,442) | (19,000)
Other Lease Revenue [Member] | Non-Residential Leases [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Total lease revenue | 1,776 | (4,299) | 2,914 | (5,530)
Parking Revenue |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Rental income | 6,883 | 5,336 | 18,455 | 16,648
Other Revenue |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Rental income | 19,499 | 24,756 | 54,764 | 64,168
Other Rental Income [Member] |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Rental income | $ 26,382 | $ 30,092 | $ 73,219 | $ 80,816

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123415192&loc=d3e39896-112707 + Details
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