Development-Stage Risks and Liquidity - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Business Developments Risks And Uncertainties Liquidity [Line Items]
Accumulated deficit	$ 106,963	$ 36,220
Recro
Business Developments Risks And Uncertainties Liquidity [Line Items]
Contribution received immediately prior to Distribution	$ 19,000

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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