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 9 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 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 $ 48 $ 149 $ 177,729 $ 5,357 $ 82 $ 323    
At the Market Offering [Member]                
Subsidiary, Sale of Stock [Line Items]                
Number of shares of stock issued during period (in shares) 0     259,500     117,427 259,500
Issuance of stock, net of offering costs $ 0     $ 5,300     $ 2,100 $ 5,300