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Lease Obligations - Schedule of future minimum lease payments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finance Lease Obligations
Remainder of 2021	$ 53
2022	0
2023	0
2024	0
2025	0
2026	0
Thereafter	0
Total minimum lease payments	53
Financing component	0
Net present value of minimum lease payments	53
Less: current portion of finance and operating lease obligations	(53)	$ (318)
Finance lease obligations, net of current maturities	0
Operating Lease Obligations
Remainder of 2021	7,083
2022	8,036
2023	5,736
2024	2,968
2025	1,132
2026	796
Thereafter	0
Total minimum lease payments	25,751
Financing component	(3,978)
Net present value of minimum lease payments	21,773
Less: current portion of finance and operating lease obligations	(6,986)	(6,612)
Operating lease obligations, net of current maturities	14,787	$ 15,730
Total Lease Obligations
Remainder of 2021	7,136
2022	8,036
2023	5,736
2024	2,968
2025	1,132
2026	796
Thereafter	0
Total minimum lease payments	25,804
Financing component	(3,978)
Net present value of minimum lease payments	21,826
Less: current portion of finance and operating lease obligations	(7,039)
Long-term finance and operating lease obligations	$ 14,787

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