v3.26.1
Investment Securities - Summary of amortized cost, unrealized gains and losses, allowance for credit losses, and estimated fair values of investment securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Mortgage-backed U.S. government agencies [Member]    
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]    
Amortized Cost $ 113,068 $ 66,440
Unrealized Gains 123 624
Unrealized Losses (2,497) (646)
Allowance for Credit Losses 0 0
Fair Value 110,694 66,418
Other mortgage-backed securities [Member]    
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]    
Amortized Cost 4,470 4,621
Unrealized Gains 0 0
Unrealized Losses (146) (1)
Allowance for Credit Losses 0 0
Fair Value 4,324 4,620
Investment Securities Member    
Schedule Of Available For Sale Securities And Held To Maturity Securities [Line Items]    
Amortized Cost 117,538 71,061
Unrealized Gains 123 624
Unrealized Losses (2,643) (647)
Allowance for Credit Losses 0 0
Fair Value $ 115,018 $ 71,038