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LONG-TERM DEBT - Interest Coverage Ratio & Leverage Ratio (Details) - 2018 Refinancing Credit Agreement	12 Months Ended
	Dec. 31, 2020
Debt Instrument [Line Items]
Interest Coverage Ratio	3.0
Leverage Ratio	3.25

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Debt Instrument, Restrictive Covenants, EBITDA to Interest Expense Ratio, Minimum

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Debt Instrument, Restrictive Covenants, Leverage Ratio, Maximum

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