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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, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | $ 2,747,585 | $ 2,623,559 | $ 2,366,594
Rental income | 2,873,964 | 2,735,180 | 2,463,997
Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 2,684,179 | 2,558,354 | 2,300,246
Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 63,406 | 65,205 | 66,348
Residential and Non-Residential Rent [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 2,640,758 | 2,510,511 | 2,263,166
Residential and Non-Residential Rent [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 2,578,565 | 2,446,516 | 2,202,133
Residential and Non-Residential Rent [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 62,193 | 63,995 | 61,033
Utility Recoveries (RUBS Income) [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 87,534 | 81,984 | 75,569
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 86,628 | 81,140 | 74,846
Utility Recoveries (RUBS Income) [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 906 | 844 | 723
Parking Rent [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 44,530 | 43,770 | 41,499
Parking Rent [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 44,081 | 43,335 | 40,934
Parking Rent [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | 449 | 435 | 565
Other Lease Revenue [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | (25,237) | (12,706) | (13,640)
Other Lease Revenue [Member] | Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | (25,095) | (12,637) | (17,667)
Other Lease Revenue [Member] | Non-Residential Leases [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Total lease revenue | (142) | (69) | 4,027
Parking Revenue [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Rental income | 40,836 | 37,338 | 26,789
Other Revenue [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Rental income | 85,543 | 74,283 | 70,614
Other Rental Income [Member] |  |  |
Operating Leased Assets [Line Items] |  |  |
Rental income | $ 126,379 | $ 111,621 | $ 97,403

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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 -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479773/842-30-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482964/270-10-50-6A Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479016/842-30-45-3 + Details
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