Long-Term Debt - Nordea Credit Agreement (Details) $ in Millions	Jan. 31, 2021 USD ($)
Nordea Q5000 Loan Maturing January 2021
Debt Instrument [Line Items]
Balloon payment	$ 53.6

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.

No definition available.

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Period Type:	duration