FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Fair Value Measurements, Recurring and Nonrecurring (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Assets:
Cash and cash equivalents	$ 36,640	$ 51,025	$ 63,812
Restricted cash	3,207	3,248	$ 3,584
Short-term receivable	3,201	3,223
Level 1 \| Fair Value, Measurements, Recurring
Assets:
Cash and cash equivalents	36,640	51,025
Restricted cash	3,207	3,248
Short-term receivable	0	0
Level 2 \| Fair Value, Measurements, Recurring
Assets:
Cash and cash equivalents	0	0
Restricted cash	0	0
Short-term receivable	0	0
Level 3 \| Fair Value, Measurements, Recurring
Assets:
Cash and cash equivalents	0	0
Restricted cash	0	0
Short-term receivable	3,201	3,223
Senior secured term loans
Liabilities:
Senior secured term loans	221,981	247,204
Senior secured term loans \| Level 1 \| Fair Value, Measurements, Recurring
Liabilities:
Senior secured term loans	0	0
Senior secured term loans \| Level 2 \| Fair Value, Measurements, Recurring
Liabilities:
Senior secured term loans	177,585	200,235
Senior secured term loans \| Level 3 \| Fair Value, Measurements, Recurring
Liabilities:
Senior secured term loans	$ 0	$ 0

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- Definition

Amount of asset recognized arising from contingent consideration in a business combination, expected to be realized within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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- References

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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-Name Accounting Standards Codification
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