Restructuring - Summary of Accrued Restructuring Costs (Details)	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1,263,000
Cash payments	(28,000)
Accrued restructuring costs as of March 31, 2021	1,235,000
Employee Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,213,000
Cash payments	(28,000)
Accrued restructuring costs as of March 31, 2021	1,185,000
Other Associated Costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	50,000
Accrued restructuring costs as of March 31, 2021	$ 50,000