Leases - Maturity Analysis of Lessor and Lessee Arrangements (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Sales-type and Direct Financing Leases, Lease Receivable, Fiscal Year Maturity [Abstract]
2019	$ 34,982
2020	125,406
2021	107,213
2022	84,768
2023	61,462
Thereafter	48,374
Total lease payments	462,205
Less: present value discount	(40,201)
Total	422,004
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019	8,865
2020	35,660
2021	35,068
2022	33,520
2023	30,124
Thereafter	253,421
Total lease payments	396,658
Less: present value discount	(87,430)
Total	309,228
Finance Lease, Liability, Payment, Due [Abstract]
2019	171
2020	684
2021	684
2022	684
2023	0
Thereafter	0
Total lease payments	2,223
Less: present value discount	(306)
Total	$ 1,917