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Debt - Line of credit (Details) - Revolving Line of Credit - USD ($)
$ in Millions
Apr. 05, 2021
Jun. 30, 2022
Debt Instrument [Line Items]    
Aggregate amount $ 5.0  
Fees on daily unused portion 0.25%  
Line of credit, outstanding   $ 1.0
Prime rate    
Debt Instrument [Line Items]    
Basis spread on interest rate 0.00%