Defined Contribution Plan (Details) - USD ($) $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Jan. 31, 2021	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Subsequent Event [Line Items]
Defined contribution plan, matching contribution, percentage of employee's gross pay (up to)		6.00%
Defined contribution plan, cost			$ 1.0	$ 1.7	$ 1.4
Subsequent Event
Subsequent Event [Line Items]
Defined contribution plan, matching contribution percentage	100.00%
Defined contribution plan, matching contribution, percentage of employee's gross pay (up to)	3.00%