Leases - Schedule of Future Minimum Rental Revenues and Payments for Operating and Capital Leases (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Minimum Rental Revenues
2019 (Remainder)	$ 94,448
2020	193,637
2021	176,109
2022	156,178
2023	137,655
Thereafter	598,691
Total	1,356,718
Minimum Rental Payments
2019 (Remainder)	3,606
2020	7,139
2021	7,073
2022	7,082
2023	7,075
Thereafter	334,761
Total	$ 366,736