Leases - Office Leases (Details) - Office leases - USD ($) $ in Millions				1 Months Ended
	Sep. 30, 2022	Aug. 31, 2021	Oct. 15, 2015	Nov. 30, 2018
Lease Agreement for Office Space in Stamford
Lessee, Lease, Description [Line Items]
Average annual rent expense	$ 0.5		$ 0.4
Singapore Lease Arrangement
Lessee, Lease, Description [Line Items]
Average annual rent expense		$ 0.3		$ 0.3
Lessee, operating lease, renewal term		5 years		3 years
Additional Singapore Lease Arrangement
Lessee, Lease, Description [Line Items]
Average annual rent expense		$ 0.1
Lessee, operating lease, renewal term		57 months