v3.26.1
Shareholders' Equity and Regulatory Matters - Additional Information (Details) - USD ($)
Sep. 30, 2022
Mar. 31, 2026
Dec. 31, 2025
Jun. 17, 2025
May 25, 2023
Jul. 01, 2022
Subsidiary, Sale of Stock [Line Items]            
Shares repurchased under the program   0        
Preferred stock, shares authorized   1,000,000 1,000,000   1,000,000  
Liquidation preference per share $ 1,000          
Common stock, par value   $ 1 $ 1   $ 1 $ 1
Preferred stock, par value   $ 1 $ 1   $ 1  
Capital stock, shares authorized         54,500,000  
Common stock, shares authorized   50,000,000 50,000,000      
Purchase price of common stock percent 9.90%          
Preferred stock convertible conversion price $ 22.5          
Common Stock [Member]            
Subsidiary, Sale of Stock [Line Items]            
Common stock, shares authorized         50,000,000  
Nonvoting Common Stock            
Subsidiary, Sale of Stock [Line Items]            
Common stock, par value   $ 1 $ 1      
Common stock, shares authorized   3,500,000 3,500,000   3,500,000  
Series A Convertible Non-cumulative Preferred Stock            
Subsidiary, Sale of Stock [Line Items]            
Preferred stock, shares authorized   69,400 69,400      
Preferred stock, par value   $ 1 $ 1      
Series B Preferred Stock            
Subsidiary, Sale of Stock [Line Items]            
Preferred stock, shares authorized 69,400 69,400 69,400      
Preferred stock, par value   $ 1 $ 1      
Director and Officers [Member] | Series A Preferred Stock            
Subsidiary, Sale of Stock [Line Items]            
Purchase of preferred stock shares $ 2,700,000          
Private Placement Offering            
Subsidiary, Sale of Stock [Line Items]            
Liquidation preference per share $ 1,000          
Warrant exercise price of common stock per share $ 22.5          
Gross proceeds before deducting placement fees and offering expenses $ 69,400,000          
Placement fees and offering expenses 3,200,000          
Net proceeds after deducting placement fees and offering expenses $ 66,200,000          
Private Placement Offering | Series B Preferred Stock            
Subsidiary, Sale of Stock [Line Items]            
Preferred stock, par value $ 1          
Private Placement Offering | Series A Preferred Stock            
Subsidiary, Sale of Stock [Line Items]            
Preferred stock, shares authorized 69,400          
Maximum | Common Stock [Member]            
Subsidiary, Sale of Stock [Line Items]            
Repurchase of common stock, amount       $ 30,000,000