Leases - Summary of Lease Income Types Relating to Lease Payments Along With the Total Other Rental Income (Details) - USD ($) $ in Thousands	12 Months Ended
	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