Summary of Significant Accounting Policies - Concentration of Risks (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Concentration Risk [Line Items]
Revenue	$ 212,672	$ 144,105	$ 48,958
Revenue | Customer Concentration Risk | A
Concentration Risk [Line Items]
Revenue	52,534	40,634	15,774
Accounts Receivable | Lender Concentration Risk | A
Concentration Risk [Line Items]
Accounts receivable	$ 9,342	10,293
Accounts Receivable | Lender Concentration Risk | B
Concentration Risk [Line Items]
Accounts receivable		10,979
Research and Development Expenses | Supplier Concentration Risk | C
Concentration Risk [Line Items]
Research and development expenses and inventory purchases			33,564
Research and Development Expenses | Supplier Concentration Risk | D
Concentration Risk [Line Items]
Research and development expenses and inventory purchases			$ 26,710
Research and Development Expenses | Supplier Concentration Risk | E
Concentration Risk [Line Items]
Research and development expenses and inventory purchases		165,431
Research and Development Expenses | Supplier Concentration Risk | F
Concentration Risk [Line Items]
Research and development expenses and inventory purchases		$ 66,650