Leases - Summary of Lease Income Types Relating to Lease Payments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Operating Leased Assets [Line Items]
Total lease revenue	$ 624,049
Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	605,463
Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	18,586
Residential and Retail Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	610,990
Residential and Retail Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	592,520
Residential and Retail Rent [Member] | Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	18,470
Parking Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	9,209
Parking Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	9,137
Parking Rent [Member] | Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	72
Storage Rent
Operating Leased Assets [Line Items]
Total lease revenue	963
Storage Rent | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	919
Storage Rent | Retail Lease [Member]
Operating Leased Assets [Line Items]
Total lease revenue	44
Pet Rent [Member]
Operating Leased Assets [Line Items]
Total lease revenue	2,887
Pet Rent [Member] | Residential Leases [Member]
Operating Leased Assets [Line Items]
Total lease revenue	$ 2,887