Leases - Other Lease Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Lessee
Operating cash flows from finance leases			$ 4,516	$ 0
Operating cash flows from operating leases			950	1,840
Financing cash flows from finance leases			2,959	0
Right-of-use assets obtained in exchange for new operating lease liabilities			1,227	6,983
Finance Leases
2020	$ 7,475		7,475
2021	14,949		14,949
2022	14,949		14,949
2023	14,949		14,949
2024	14,949		14,949
Thereafter	55,533		55,533
Total lease payments	122,804		122,804
Less: imputed interest	(44,032)		(44,032)
Total finance lease liabilities	78,772		78,772		$ 81,730
Operating Leases
2020	612		612
2021	1,121		1,121
2022	930		930
2023	709		709
2024	235		235
Thereafter	1,085		1,085
Total lease payments	4,692		4,692
Less: imputed interest	(802)		(802)
Total operating lease liabilities	3,890		3,890		$ 3,545
Total
2020	8,087		8,087
2021	16,070		16,070
2022	15,879		15,879
2023	15,658		15,658
2024	15,184		15,184
Thereafter	56,618		56,618
Total lease payments	127,496		127,496
Less: imputed interest	(44,834)		(44,834)
Present value of lease liabilities	82,662		82,662
Lessor
Lease income	$ 1,542	$ 1,522	$ 3,090	$ 3,040