Leases - Summary of Lease Income Types Relating to Lease Payments Along With the Total Other Rental Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Leased Assets [Line Items]
Total lease revenue	$ 684,549	$ 658,986	$ 1,360,948	$ 1,286,956
Rental income	717,309	687,030	1,422,397	1,340,378
Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	668,169	642,627	1,327,597	1,254,487
Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	16,380	16,359	33,351	32,469
Residential and Non-Residential Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	657,573	622,528	1,308,311	1,226,182
Residential and Non-Residential Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	641,586	606,307	1,276,338	1,194,087
Residential and Non-Residential Rent [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	15,987	16,221	31,973	32,095
Utility Recoveries (RUBS Income) [Member]
Operating Leased Assets [Line Items]
Total lease revenue	21,615	20,173	43,205	39,952
Utility Recoveries (RUBS Income) [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	21,403	19,985	42,786	39,583
Utility Recoveries (RUBS Income) [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	212	188	419	369
Parking Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	11,127	11,027	22,118	21,908
Parking Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	11,011	10,923	21,893	21,706
Parking Rent [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	116	104	225	202
Other Lease Revenue [Member]
Operating Leased Assets [Line Items]
Total lease revenue	(5,766)	5,258	(12,686)	(1,086)
Other Lease Revenue [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	(5,831)	5,412	(13,420)	(889)
Other Lease Revenue [Member] | Non-residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	65	(154)	734	(197)
Parking Revenue
Operating Leased Assets [Line Items]
Rental income	10,192	9,623	20,395	18,431
Other Revenue
Operating Leased Assets [Line Items]
Rental income	22,568	18,421	41,054	34,991
Other Rental Income [Member]
Operating Leased Assets [Line Items]
Rental income	$ 32,760	$ 28,044	$ 61,449	$ 53,422