Leases - Schedule of Future Minimum Rental Revenues and Payments for Operating and Capital Leases (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Minimum Rental Revenues
2019 (Remainder)	$ 139,533
2020	186,498
2021	167,505
2022	147,103
2023	128,675
Thereafter	562,214
Total	1,331,528
Minimum Rental Payments
2019 (Remainder)	3,590
2020	4,571
2021	4,354
2022	4,404
2023	4,425
Thereafter	180,618
Total	$ 201,962