v3.26.1
Series B and Series B-2 Preferred Stock and Treasury Stock (Details) - USD ($)
 1 Months Ended 3 Months Ended 17 Months Ended
May 31, 2026
Jul. 31, 2026
Jul. 31, 2026
Oct. 31, 2025
Mar. 31, 2025
Dec. 31, 2014
Dec. 31, 1997
Temporary Equity [Line Items]              
Authorized amount of common stock purchases approved under share repurchase program (in shares)         $ 30,000,000    
Shares repurchased under program (in shares)     0        
Common Stock              
Temporary Equity [Line Items]              
Conversion of Series B to common (in shares)   18,488          
Conversion of Stock, Shares Issued 18,488            
Series B Preferred Stock              
Temporary Equity [Line Items]              
Preferred stock, shares issued (in shares)   13,311 13,311 14,790     30,000
Price per share of shares issued (in dollars per shares)             $ 8.75
Preferred stock, par value (in dollars per share)   $ 100.00 $ 100.00 $ 100.00     $ 100.00
Preferred stock, dividend rate   8.75% 8.75% 8.75%     8.75%
Conversion of Stock, Shares Converted 1,479            
Preferred stock, shares outstanding (in shares)   13,311 13,311 14,790      
Dividend arrearages (in dollars per share)   $ 4.38 $ 4.38        
Aggregate allocation of dividends arrearages   $ 58,000 $ 58,000        
Series B-2 Preferred Stock              
Temporary Equity [Line Items]              
Preferred stock, shares issued (in shares)   9,300 9,300 9,300   10,000  
Preferred stock, par value (in dollars per share)   $ 100.00 $ 100.00 $ 100.00   $ 100.00  
Preferred stock, dividend rate   4.00% 4.00% 4.00%   4.00%  
Preferred stock, liquidation preference per share (in dollars per share)   $ 1,000 $ 1,000 $ 1,000   $ 1,000  
Preferred stock, shares outstanding (in shares)   9,300 9,300 9,300      
Dividend arrearages (in dollars per share)   $ 20.00 $ 20.00        
Aggregate allocation of dividends arrearages   $ 186,000 $ 186,000