Leases - Operating and Finance Lease Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Jan. 01, 2019
Operating
2020	$ 257
2021	906
2022	627
2023	607
2024	494
2025 and thereafter	1,179
Total lease payments	4,070
Less: Imputed interest	(538)
Total operating lease liabilities	3,532	$ 3,608	$ 78,400
Less: Current obligations	(1,199)	(1,126)
Long-term lease obligations	2,333	2,482
Finance
2020	1,931
2021	7,403
2022	7,277
2023	7,320
2024	6,856
2025 and thereafter	80,313
Total lease payments	111,100
Less: Imputed interest	(38,461)
Total finance lease liabilities	72,639	73,699
Less: Current obligations	(3,459)	(3,224)
Long-term lease obligations	$ 69,180	$ 70,475