Leases - Operating and Finance Lease Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Operating
2019	$ 722
2020	963
2021	628
2022	544
2023	494
2024 and thereafter	1,184
Total lease payments	4,535
Less: Imputed interest	(591)
Total operating lease liabilities	3,944	$ 3,608	$ 78,400
Less: Current obligations	(1,235)	(1,126)
Long-term lease obligations	2,709	2,482
Finance
2019	5,430
2020	7,333
2021	7,207
2022	7,254
2023	6,774
2024 and thereafter	80,313
Total lease payments	114,311
Less: Imputed interest	(40,433)
Total finance lease liabilities	73,878	73,699
Less: Current obligations	(3,238)	(3,224)
Long-term lease obligations	$ 70,640	$ 70,475