Leases (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Lease, Cost [Abstract]
Amortization of ROU assets	$ 553	$ 245
Interest on lease liabilities	74	45
Operating lease cost	679	862
Short-term lease cost	2,503	1,965
Total lease expense	3,809	3,117
Operating cash flows from operating leases	678	861
Operating cash flows from finance leases	105	30
Financing cash flows from finance leases	532	218
ROU assets obtained in exchange for new lease liabilities, Finance leases	0	556
ROU assets obtained in exchange for new lease liabilities, Operating leases	$ 81	$ 11,410
Weighted-average remaining lease term (years), Finance leases	2 years 9 months 10 days	4 years 2 months 15 days
Weighted-average remaining lease term (years), Operating leases	4 years 6 months 29 days	5 years 4 months 28 days
Weighted-average discount rate, Finance leases	4.90%	4.70%
Weighted-average discount rate, Operating leases	5.00%	5.00%
Assets and Liabilities, Lessee [Abstract]
Finance lease ROU assets	$ 5,830		$ 6,384
Operating lease ROU assets	9,090		9,576
Finance lease liabilities, Current	2,193		2,167
Operating lease liabilities, Current	2,203		2,252
Finance lease liabilities, Noncurrent	3,818		4,376
Operating lease liabilities, Noncurrent	6,887		7,323
Finance Lease Liabilities, Payments
Remainder of 2020	1,818
2021	2,426
2022	1,492
2023	642
2024	39
Thereafter	0
Total lease payments	6,417
Less: Interest	(406)
Present value of lease liabilities	6,011
Less: Current portion of lease obligation	(2,193)		(2,167)
Finance lease obligations	3,818		4,376
Operating Lease Liabilities, Payments Due
Remainder of 2020	2,007
2021	2,285
2022	1,942
2023	1,778
2024	1,668
Thereafter	443
Total lease payments	10,123
Less: Interest	(1,033)		(1,142)
Present value of lease liabilities	9,090		9,575
Less: Current portion of lease obligation	(2,203)		(2,252)
Total long-term lease obligation	$ 6,887		7,323
Capital Lease Maturities
2019			2,426
2020			2,426
2021			1,492
2022			642
2023			37
Thereafter			0
Total lease payments			7,023
Less: Interest			(480)
Present value of lease liabilities			6,543
Less: Current portion of lease obligation			(2,167)
Total long-term lease obligation			4,376
Operating Lease Maturities
2019			2,660
2020			2,256
2021			1,914
2022			1,776
2023			1,668
Thereafter			443
Total lease payments			$ 10,717

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of increase in right-of-use asset obtained in exchange for finance lease liability.

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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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