Recent Accounting Pronouncements - Office Leases (Details)			1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 17, 2021 USD ($)	Oct. 15, 2015 USD ($)	Nov. 30, 2018 USD ($)	Sep. 30, 2021 USD ($) contract	Sep. 30, 2020 contract	Sep. 30, 2021 USD ($) contract	Sep. 30, 2020 USD ($) contract	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Number of contracts | contract						5
Operating lease liabilities current and noncurrent						$ (11,303,671)	$ (9,915,541)
Letter of Credit
Lessee, Lease, Description [Line Items]
Restricted cash, cash equivalents				$ 100,000		$ 100,000		$ 100,000
Office leases
Lessee, Lease, Description [Line Items]
Number of contracts | contract				2	2	2	2
Lease Agreement for Office Space in Stamford | Office leases
Lessee, Lease, Description [Line Items]
Average annual rent expense		$ 400,000
Singapore Lease Arrangement | Office leases
Lessee, Lease, Description [Line Items]
Average annual rent expense	$ 400,000		$ 300,000
Office lease, renewal term	5 years
Increase to lease liability and the corresponding right-of-use asset						$ 1,300,000
Discount rate	3.09%
Additional Singapore Lease Arrangement | Office leases
Lessee, Lease, Description [Line Items]
Average annual rent expense	$ 200,000
Office lease, renewal term	4 years 10 months 24 days