Leases - Maturity Analysis of Lessor and Lessee Arrangements (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Sales-type and Direct Financing Leases, Lease Receivable, Fiscal Year Maturity [Abstract]
2019	$ 63,085
2020	108,188
2021	91,950
2022	70,058
2023	47,744
Thereafter	33,007
Total lease payments	414,032
Less: present value discount	(36,769)
Total	377,263
Operating Lease Liabilities, Payments Due [Abstract]
2019	17,594
2020	35,006
2021	34,169
2022	32,625
2023	29,222
Thereafter	244,762
Total lease payments	393,378
Less: present value discount	(88,014)
Total	305,364
Finance Lease Liabilities, Payments, Due [Abstract]
2019	341
2020	684
2021	684
2022	684
2023	0
Thereafter	0
Total lease payments	2,393
Less: present value discount	(352)
Total	$ 2,041