Leases - Summary of Lease Income Types Relating to Lease Payments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Operating Leased Assets [Line Items]
Total lease revenue	$ 642,854	$ 1,896,059
Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	624,281	1,841,133
Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	18,573	54,926
Residential and Retail Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	629,473	1,856,365
Residential and Retail Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	611,020	1,801,749
Residential and Retail Rent [Member] | Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	18,453	54,616
Parking Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	9,505	28,133
Parking Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	9,405	27,874
Parking Rent [Member] | Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	100	259
Storage Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	960	2,847
Storage Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	940	2,796
Storage Rent [Member] | Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	20	51
Pet Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	2,916	8,714
Pet Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	$ 2,916	$ 8,714