v3.26.1
Investment Securities - Non-Marketable Securities Included in Other Assets Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jul. 29, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jul. 24, 2026
Dec. 31, 2025
Schedule of Equity Method Investments [Line Items]                
Federal home loan bank stock, par value (in usd per share)   $ 100     $ 100      
Federal home loan bank, special dividend income   $ 199,000 $ 855,000 $ 362,000 $ 1,054,000 $ 737,000    
Class B-1 Shares                
Schedule of Equity Method Investments [Line Items]                
Federal home loan bank stock   16,700,000     16,700,000      
Class B-1 Shares | Federal Home Loan Bank of San Francisco                
Schedule of Equity Method Investments [Line Items]                
Dividends Receivable   198,000     198,000      
Class B-2 Shares                
Schedule of Equity Method Investments [Line Items]                
Federal home loan bank stock   $ 0     $ 0      
Legacy Class B FHLB Stock                
Schedule of Equity Method Investments [Line Items]                
Federal home loan bank stock               $ 16,700,000
Subsequent Event | Class B-1 Shares                
Schedule of Equity Method Investments [Line Items]                
Federal home loan bank, dividend rate percentage             4.75%  
Subsequent Event | Class B and Class B-1 stock                
Schedule of Equity Method Investments [Line Items]                
Federal home loan bank, special dividend income $ 199,000