v3.26.1
Investment Securities Available-for-Sale and Held-to-Maturity - Additional Information (Details)
Mar. 31, 2026
USD ($)
Investment
Security
Dec. 31, 2025
USD ($)
Investment
Security
Jun. 30, 2025
USD ($)
Securitization
Jun. 03, 2025
USD ($)
Apr. 01, 2025
USD ($)
Schedule of Investments [Line Items]          
Number of unrealized loss positions | Investment 71 39      
Number of securities pledged as collateral | Security 20,500,000 0      
Allowance for credit losses recognized on available for sale securities in unrealized loss position $ 0 $ 0      
Allowance for credit losses recognized on held-to-maturity securities in unrealized loss position 0 0      
Securities held-to-maturity 191,980,000 192,008,000      
Number of securitizations completed | Securitization     2    
Securitization of revolving commercial real estate loans     $ 250,000,000 $ 150,000,000 $ 100,000,000
Investment securities, fair value $ 190,543,000 $ 189,106,000      
Class A-1 Asset Backed Notes [Member]          
Schedule of Investments [Line Items]          
Investment securities, fair value       $ 127,500,000 $ 78,000,000