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DEBT - Paycheck Protection Program Loan (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Apr. 16, 2020	Mar. 31, 2021	Mar. 31, 2020
Current and long-term debt
Proceeds from issuance of debt		$ 16,000	$ 51,000
Paycheck Protection Program Loan
Current and long-term debt
Proceeds from issuance of debt	$ 2,200
Interest rate (as a percent)	1.00%
Maximum percentage allowed to be prepaid without written advance notice		20.00%

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- Definition

Maximum percentage allowed to be prepaid without written advance notice

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

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