Debt - Future Minimum Payments of Equipment Lease Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
2021	$ 8,440
2022	8,430
2023	7,256
2024	7,695
2025 and thereafter	2,266
Total minimum payments	34,087
Amount representing interest	(4,007)
Less: current portion	(6,901)	$ (6,175)
Long-term debt, net	22,445	28,240
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	734
Former Credit Facility, net
Debt Instrument [Line Items]
2021	0
2022	0
2023	0
2024	0
2025 and thereafter	0
Total minimum payments	0
Less: current portion	0
Long-term debt, net	0	2,500
Notes payable
Debt Instrument [Line Items]
2021	3,649
2022	3,655
2023	2,372
2024	807
2025 and thereafter	542
Total minimum payments	11,025
Less: current portion	(3,178)	(2,628)
Long-term debt, net	6,858	7,192
Debt Instrument, Periodic Payment, Interest	989
Finance leases
Debt Instrument [Line Items]
2021	152
2022	136
2023	245
2024	0
2025 and thereafter	0
Total minimum payments	533
Amount representing interest	(59)
Present value of payments	474
Less: current portion	(123)	(116)
Long-term debt, net	351	474
Oakdale Equipment Financing, net
Debt Instrument [Line Items]
2021	4,639
2022	4,639
2023	4,639
2024	6,888
2025 and thereafter	1,724
Total minimum payments	22,529
Less: current portion	(3,600)	(3,431)
Long-term debt, net	15,236	$ 18,074
Debt Instrument, Periodic Payment, Interest	2,959
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums	$ 734

Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

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