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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Jul. 09, 2021
Commitments and Contingencies Disclosure [Abstract]      
Lease term 2 years   2 years
Operating leases, rent expense $ 1.1 $ 0.8