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Long-Term Debt - Interest Coverage Ratio & Leverage Ratio (Details) - 2018 Refinancing Credit Agreement	3 Months Ended
	Mar. 31, 2021
Debt Instrument [Line Items]
Interest coverage ratio	3.0
Leverage ratio	3.25

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- Definition

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

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- Definition

Debt Instrument, Restrictive Covenants, Leverage Ratio, Maximum

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