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Debt - Small Business Administration's Paycheck Protection Program (Details) - USD ($)
$ in Millions
 1 Months Ended
Jul. 30, 2021
Apr. 30, 2020
Debt Instrument [Line Items]    
Loan received from Small Business Administration's Paycheck Protection Program   $ 8.1
Repayments of small business administration's paycheck protection program $ 8.1  
PPP Loan    
Debt Instrument [Line Items]    
Loan received from Small Business Administration's Paycheck Protection Program   $ 8.1
Repayments of small business administration's paycheck protection program 8.1  
Repayments of accrued interest $ 0.1