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Organization and Operations - Liquidity (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended
Sep. 15, 2022
Nov. 30, 2022
Mar. 31, 2023
Dec. 31, 2022
Jun. 30, 2021
Liquidity          
Accumulated deficit     $ 518,831 $ 507,643  
Cash, cash equivalents and short-term investments     213,300    
Jefferies | ATM Program          
Liquidity          
Maximum aggregate value of common shares which can be issued under the agreement $ 50,000       $ 25,000
Percentage of commission paid to underwriter based on proceeds from common stock 3.00%        
Amount of common stock available for future issuance $ 30,500 $ 50,000      
Aggregate offering price   $ 88,100      
Amount of common stock remains available for sale under ATM program     $ 50,000