Lease Obligations - Maturities of Lease Obligations (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Operating Leases
2021	$ 11,260
2022	9,618
2023	9,538
2024	6,783
2025	8,878
Thereafter	19,906
Total lease payments	65,983
Less imputed interest	(15,579)
Total	50,404
Finance Leases
2021	1,254
2022	443
2023	0
2024	0
2025	0
Thereafter	0
Total lease payments	1,697
Less imputed interest	(102)
Total	1,595	$ 1,869
Total
2021	12,514
2022	10,061
2023	9,538
2024	6,783
2025	8,878
Thereafter	19,906
Total lease payments	67,680
Less imputed interest	(15,681)
Total	$ 51,999

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-Publisher FASB
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-SubTopic 20
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