Balance Sheet Components - Broad Institute of MIT and Harvard (Details) - Broad Institute of MIT and Harvard $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Issue fee	$ 25,000
Annual License Maintenance Fee To Be Incurred In Year One	50,000
Annual License Maintenance Fee To Be Incurred In Year Two And Each Year Thereafter	$ 100,000
Royalty Expense As A Percentage Of Service Income	7.00%
Royalty Expense As A Percentage Of End Product Net Sales	0.50%