Leases - Other Lease Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Lessee Disclosure [Abstract]
Operating cash flows from finance leases	$ 9,488	$ 15,258
Operating cash flows from operating leases	3,710
Financing cash flows from finance leases	5,461	7,166
Right-of-use assets obtained in exchange for new operating lease liabilities	6,983
Finance Leases
2020	14,949
2021	14,949
2022	14,949
2023	14,949
2024	14,949
Thereafter	55,532
Total lease payments	130,277
Less: imputed interest	(48,547)
Total finance lease liabilities	81,730
Operating Leases
2020	1,399
2021	795
2022	605
2023	384
2024	72
Thereafter	1,085
Total lease payments	4,340
Less: imputed interest	(795)
Total operating lease liabilities	3,545
Total
2020	16,348
2021	15,744
2022	15,554
2023	15,333
2024	15,021
Thereafter	56,617
Total lease payments	134,617
Less: imputed interest	(49,342)
Present value of lease liabilities	85,275
Lessor Disclosure [Abstract]
Lease income	$ 6,071	$ 4,969