Annual report pursuant to Section 13 and 15(d)

Other Current Liabilities - Narrative (Details)

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Other Current Liabilities - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
Other Liabilities Disclosure [Abstract]  
Payments for working capital liability $ 2.8
Working capital, contract refund 3.9
Working capital, accounts receivable adjustment $ 1.0