v3.25.2
Securities - Amortized Cost and Fair Value of Available-for-Sale Securities by Contractual Maturity (Detail) - USD ($)
$ in Thousands
Jun. 30, 2025
Jun. 30, 2024
Debt Securities, Available-for-sale [Line Items]    
Within one year, Amortized Cost $ 0  
One to five years, Amortized Cost 3,782  
Five to ten years, Amortized Cost 6,050  
After ten years, Amortized Cost 8,796  
Amortized Cost 18,628  
Amortized Cost 210,889 $ 219,523
Within one year, Fair Value 0  
One to five years, Fair Value 3,570  
Five to ten years, Fair Value 5,697  
After ten years, Fair Value 7,407  
Fair Value 16,674  
Fair Value 187,753 190,475
Mortgage-backed securities – GSE residential [Member]    
Debt Securities, Available-for-sale [Line Items]    
Amortized Cost 192,261 192,556
Fair Value $ 171,079 $ 166,236