v3.26.3
Goodwill and Other Intangible Assets - Accounting Changes and Error Corrections (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Jun. 30, 2026
Goodwill and Other Intangible Assets            
Goodwill $ 16,520,000   $ 16,520,000   $ 18,512,000 $ 18,512,000
Carrying value of loans pledged to secure advances 150,322,000   150,322,000   196,235,000  
Pre tax net income - overstated by 29,018,000 $ 19,962,000 76,864,000 $ 56,250,000    
Net income 23,133,000 $ 15,362,000 59,240,000 $ 42,596,000    
Revision of Prior Period, Error Correction, Adjustment [Member]            
Goodwill and Other Intangible Assets            
Goodwill (1,992,000)   (1,992,000)      
Carrying value of loans pledged to secure advances $ (2,800,000)   (2,800,000)      
Pre tax net income - overstated by     (108,000)   (16,000)  
Net income     $ (77,000)   $ (11,000)