Common Stock Incentive Plan - Summary (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	May 31, 2021
Common Stock Incentive Plan
Severance charge	$ 3,500,000
2021 Plan
Common Stock Incentive Plan
Authorized shares						8,924,231
Maximum number of shares that may be granted to any individual in any calendar year						3,200,000
Maximum aggregate amount of cash that may be paid during any calendar year with respect to one or more shares payable in cash						$ 10,000,000.0
General and administrative expense
Common Stock Incentive Plan
Share-based compensation costs recognized		$ 4,500,000	$ 4,900,000	$ 8,200,000	$ 10,400,000
Accelerated share-based compensation costs					$ 1,800,000
Cash
Common Stock Incentive Plan
Severance charge	1,600,000
Share-based compensation
Common Stock Incentive Plan
Severance charge	1,800,000
Professional fees
Common Stock Incentive Plan
Severance charge	$ 58,000