LONG-TERM DEBT - Subordinated Term Loan (Details)	Feb. 11, 2022 USD ($) $ / shares	Dec. 08, 2021 USD ($)	Nov. 09, 2021 USD ($) director	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Outstanding letter of credit				$ 300,000
Surety Bond
Debt Instrument [Line Items]
Outstanding letter of credit				1,200,000
Miscellaneous Cash Deposit
Debt Instrument [Line Items]
Outstanding letter of credit				1,500,000
Standby Letters of Credit
Debt Instrument [Line Items]
Outstanding letter of credit				$ 23,500,000	$ 23,500,000
PIPE Shares
Debt Instrument [Line Items]
Consideration received from sale of stock	$ 10,000,000
Price per share (in dollars per share) | $ / shares	$ 0.84
Subordinated Debt | Subordinated Term Loan
Debt Instrument [Line Items]
Principal amount, long-term debt issued			$ 50,000,000
Proceeds from debt		$ 27,500,000	$ 22,500,000
Interest rate on convertible debt			12.00%
Number of directors | director			7
Subordinated Debt | Delayed Draw Term Loan
Debt Instrument [Line Items]
Principal amount, long-term debt issued	$ 10,000,000
Covenant, leverage ratio, maximum	7.00
Maximum unfinanced capital expenditures	$ 20,000,000
Maximum net leverage ratio threshold	4.00
Secured Debt
Debt Instrument [Line Items]
Principal amount, long-term debt issued	$ 55,000,000
Secured Debt | Delayed Draw Term Loan
Debt Instrument [Line Items]
Principal amount, long-term debt issued	$ 35,000,000