Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity At-the-Market Offering (Details)

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Stockholders' Equity At-the-Market Offering (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Subsidiary, Sale of Stock [Line Items]            
Number of shares authorized to be sold under equity distribution agreement (in shares) 11,000,000       11,000,000  
Number of common shares issued under equity distribution agreement and outstanding as of period-end (in shares) 2,300,605       2,300,605  
Accumulated proceeds from issuance of common shares under equity distribution agreement $ 136,900       $ 136,900  
Issuance of stock, net of offering costs $ 149 $ 177,729 $ 82 $ 323    
At the Market Offering [Member]            
Subsidiary, Sale of Stock [Line Items]            
Number of shares of stock issued during period (in shares) 0   0   117,427 0
Issuance of stock, net of offering costs $ 0   $ 0   $ 2,100 $ 0