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Debt - Long-Term Debt (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 24, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Debt Instrument [Line Items]
Finance leases – collateralized by vehicles, payable in monthly installments of principal, plus interest ranging from 4.40% to 6.45% through 2025		$ 5,317		$ 5,132
Total debt		47,741		40,013
Less - Current portion of long-term debt		(13,222)		(9,879)
Less - Unamortized discount and debt issuance costs		(299)		(318)
Long-term debt		34,220		29,816
Loss on early debt extinguishment		0	$ 1,961
Prepayment penalty and other costs associated with early debt extinguishment		$ 0	$ 1,376
Minimum
Debt Instrument [Line Items]
Finance lease, discount rate		4.40%
Maximum
Debt Instrument [Line Items]
Finance lease, discount rate		6.45%
2019 Refinancing Agreement
Debt Instrument [Line Items]
Loss on early debt extinguishment	$ 2,000
Write off of debt issuance and discount costs	2,600
Reversal or warrant liability	2,000
Prepayment penalty and other costs associated with early debt extinguishment	$ 1,400
Secured Debt | A&R Wintrust Term Loan - term loan payable in quarterly installments of principal, (commencing in December 2021) plus interest through February 2026
Debt Instrument [Line Items]
Long term debt		$ 33,024		34,881
Revolving Credit Facility | A&R Wintrust Revolving Loan
Debt Instrument [Line Items]
Long term debt		$ 9,400		$ 0

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Present value of lessee's discounted obligation for lease payments from finance lease.

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