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Capital Structure - Stock Offerings (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2022
Mar. 31, 2022
Mar. 31, 2021
Sep. 28, 2021
Jun. 04, 2021
Jun. 08, 2020
Capital Structure            
Issuance of common stock, net of cash issuance costs $ 7,034 $ 11,659 $ 29,488      
Offering costs   782 $ 4,430      
Shelf Registration 2020            
Capital Structure            
Shelf registration, amount authorized           $ 100,000
Shelf registration remaining amount available for sale 43,000 $ 43,000        
At-the-market Offering | Cantor Fitzgerald & Co            
Capital Structure            
Sales agreement, amount authorized for issuance         $ 30,000  
Issuance of common stock, net of cash issuance costs (in shares)   2,430,784        
Issuance of common stock, net of cash issuance costs   $ 5,100        
Offering costs   200        
Shelf registration remaining amount available for sale 12,200 12,200        
Shelf Registration 2021            
Capital Structure            
Shelf registration, amount authorized       $ 100,000    
Shelf registration remaining amount available for sale $ 92,400 $ 92,400