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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 | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | $ 2,618,375 | $ 2,364,447 | $ 2,464,790
Rental income | 2,735,180 | 2,463,997 | 2,571,705
Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 2,553,170 | 2,298,099 | 2,417,557
Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 65,205 | 66,348 | 47,233
Residential and Non-Residential Rent [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 2,505,327 | 2,261,019 | 2,388,441
Residential and Non-Residential Rent [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 2,441,332 | 2,199,986 | 2,336,778
Residential and Non-Residential Rent [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 63,995 | 61,033 | 51,663
Utility Recoveries (RUBS Income) [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 81,984 | 75,569 | 71,376
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 81,140 | 74,846 | 70,699
Utility Recoveries (RUBS Income) [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 844 | 723 | 677
Parking Rent [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 43,770 | 41,499 | 39,155
Parking Rent [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 43,335 | 40,934 | 38,743
Parking Rent [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 435 | 565 | 412
Other Lease Revenue [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | (12,706) | (13,640) | (34,182)
Other Lease Revenue [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | (12,637) | (17,667) | (28,663)
Other Lease Revenue [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | (69) | 4,027 | (5,519)
Parking Revenue [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Rental income | 37,338 | 26,789 | 22,210
Other Revenue [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Rental income | 79,467 | 72,761 | 84,705
Other Rental Income [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Rental income | $ 116,805 | $ 99,550 | $ 106,915

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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 https://asc.fasb.org/extlink&oid=124258985&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 https://asc.fasb.org/extlink&oid=123420820&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 https://asc.fasb.org/extlink&oid=126900988&loc=SL77927221-108306 + Details
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