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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Operating Leased Assets [Line Items]
Total lease revenue	$ 664,996	$ 596,824	$ 1,949,913	$ 1,745,648
Rental income	695,099	623,206	2,035,477	1,818,867
Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	648,836	580,313	1,901,284	1,696,070
Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	16,160	16,511	48,629	49,578
Residential and Non-Residential Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	637,064	565,917	1,861,207	1,675,458
Residential and Non-Residential Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	620,880	551,474	1,812,928	1,629,778
Residential and Non-Residential Rent [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	16,184	14,443	48,279	45,680
Utility Recoveries (RUBS Income) [Member]
Operating Leased Assets [Line Items]
Total lease revenue	20,470	18,987	60,422	55,850
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	20,243	18,798	59,826	55,331
Utility Recoveries (RUBS Income) [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	227	189	596	519
Parking Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	10,960	10,616	32,868	30,868
Parking Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	10,840	10,513	32,546	30,403
Parking Rent [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	120	103	322	465
Other Lease Revenue [Member]
Operating Leased Assets [Line Items]
Total lease revenue	(3,498)	1,304	(4,584)	(16,528)
Other Lease Revenue [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	(3,127)	(472)	(4,016)	(19,442)
Other Lease Revenue [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	(371)	1,776	(568)	2,914
Parking Revenue
Operating Leased Assets [Line Items]
Rental income	9,270	6,883	27,701	18,455
Other Revenue
Operating Leased Assets [Line Items]
Rental income	20,833	19,499	57,863	54,764
Other Rental Income [Member]
Operating Leased Assets [Line Items]
Rental income	$ 30,103	$ 26,382	$ 85,564	$ 73,219