Operating Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) project lease state
Property Subject to or Available for Operating Lease [Line Items]
Number of real estate properties | project	104
Number of states in which entity has properties | state	12
Percent of annualized base rent	2.70%
Operating Leases, Future Minimum Payments Receivable [Abstract]
2019	$ 606,183
2020	561,265
2021	490,979
2022	418,337
2023	338,324
Thereafter	1,391,705
Total	$ 3,806,793
Retail and commercial
Property Subject to or Available for Operating Lease [Line Items]
Number of leases | lease	3,000
Retail and commercial | Minimum
Property Subject to or Available for Operating Lease [Line Items]
Operating lease, term	3 years
Retail and commercial | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Operating lease, term	10 years
Residential
Property Subject to or Available for Operating Lease [Line Items]
Number of leases	2,600
Residential | Maximum
Property Subject to or Available for Operating Lease [Line Items]
Operating lease, term	1 year