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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
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Operating Leased Assets [Line Items] |  |
Total lease revenue | $ 573,974 | $ 657,657
Rental income | 597,602 | 682,305
Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 557,081 | 639,518
Non-Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 16,893 | 18,139
Residential and Non-Residential Rent [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 555,494 | 630,574
Residential and Non-Residential Rent [Member] | Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 539,655 | 612,480
Residential and Non-Residential Rent [Member] | Non-Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 15,839 | 18,094
Utility Recoveries (RUBS Income) [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 18,132 | 17,646
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 17,954 | 17,418
Utility Recoveries (RUBS Income) [Member] | Non-Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 178 | 228
Parking Rent [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 10,001 | 9,930
Parking Rent [Member] | Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 9,734 | 9,833
Parking Rent [Member] | Non-Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 267 | 97
Other Lease Revenue [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | (9,653) | (493)
Other Lease Revenue [Member] | Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | (10,262) | (213)
Other Lease Revenue [Member] | Non-Residential Leases [Member] |  |
Operating Leased Assets [Line Items] |  |
Total lease revenue | 609 | (280)
Parking Revenue |  |
Operating Leased Assets [Line Items] |  |
Rental income | 5,433 | 6,783
Other Revenue |  |
Operating Leased Assets [Line Items] |  |
Rental income | 18,195 | 17,865
Other Rental Income [Member] |  |
Operating Leased Assets [Line Items] |  |
Rental income | $ 23,628 | $ 24,648

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- Definition Operating lease lease income (loss). + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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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=121549951&loc=d3e39896-112707 + Details
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