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Shareholders' Equity (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended
Jun. 30, 2023
USD ($)
vote
$ / shares
shares
Jun. 30, 2022
USD ($)
shares
Sep. 30, 2022
USD ($)
$ / shares
shares
Dec. 10, 2020
USD ($)
Stockholders Equity Note [Line Items]        
Number of voting rights | vote 1      
Preferred Stock authorized (in shares) 10,000,000   10,000,000  
Preferred stock, par value (in dollars per share) | $ / shares $ 0.0001   $ 0.0001  
Preferred stock, shares issued (in shares) 676,000   676,000  
Preferred stock, shares outstanding (in shares) 676,000   676,000  
Preferred stock, liquidation preference (in dollars per share) | $ / shares $ 100   $ 100  
Dividends payable | $ $ 1,263 $ 1,296 $ 0  
Repurchase of common stock authorized by Board of Directors | $       $ 35,000
Stock repurchased (in shares) 0 0    
Series A Preferred Stock        
Stockholders Equity Note [Line Items]        
Preferred Stock authorized (in shares) 10,000,000      
Preferred stock, par value (in dollars per share) | $ / shares $ 0.0001      
Preferred stock, shares issued (in shares) 675,885   675,885  
Preferred stock, shares outstanding (in shares) 675,885   675,885  
Preferred stock, liquidation preference (in dollars per share) | $ / shares $ 100   $ 100  
Preferred stock, dividend rate, percentage 7.50%      
Additional percentage to cash dividend rate 2.00%