Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Narrative (Details)

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Fair Value Measurements - Narrative (Details) - September 2020 Warrants
$ in Millions
Feb. 28, 2021
USD ($)
Fair Value Disclosures [Abstract]  
September 2020 Warrants $ 134.8
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
September 2020 Warrants $ 134.8