v3.25.2
Securities - Schedule of Investments Classified by Contractual Maturity Date (Detail) - USD ($)
$ in Thousands
Jun. 30, 2025
Jun. 30, 2024
Available for Sale Amortized Cost Within 1 year $ 0  
Available for Sale Amortized Cost Over 1 year through 5 years 11  
Available for Sale Amortized Cost Over 5 years through 10 years 70  
Available for Sale Amortized Cost Over 10 years 9  
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total 90  
Available-for-sale Securities, Amortized Cost 90 $ 114
Available for Sale Fair Value Within 1 year 0  
Available for Sale Fair Value Over 1 year through 5 years 11  
Available for Sale Fair Value Over 5 years through 10 years 71  
Available for Sale Fair Value Over 10 years 9  
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total 91  
Available-for-sale securities, Estimated Fair Value 91 113
Held to Maturity Amortized Cost Within 1 year 2,923  
Held to Maturity Amortized Cost Over 1 year through 5 years 55,128  
Held to Maturity Amortized Cost Over 5 years through 10 years 36,830  
Held to Maturity Amortized Cost Over 10 years 51,075  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Total 145,956  
Held-to-maturity securities, Amortized Cost 145,752 146,994
Held to Maturity Fair Value Within 1 year 2,898  
Held to Maturity Fair Value Over 1 year through 5 years 53,151  
Held to Maturity Fair Value Over 5 years through 10 years 33,729  
Held to Maturity Fair Value Over 10 years 46,657  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total 136,435  
Debt Securities, Held-to-Maturity, Fair Value 136,435 133,420
Government-sponsored enterprises: Mortgage-backed securities - residential [Member]    
Available-for-sale Securities, Amortized Cost 90 114
Debt Securities, Held-to-Maturity, Fair Value 50,224 46,556
Government-sponsored enterprises: commercial [Member]    
Debt Securities, Held-to-Maturity, Fair Value 4,872 4,462
Government-sponsored enterprises: Collateralized mortgage obligations [Member]    
Debt Securities, Held-to-Maturity, Fair Value 4,167 2,975
Municipal Bonds [Member]    
Debt Securities, Held-to-Maturity, Fair Value 37,950 41,171
Corporate Bond Securities [Member]    
Debt Securities, Held-to-Maturity, Fair Value 48,743 50,981
Agency Securities [Member]    
Available-for-sale Securities, Amortized Cost 90  
Debt Securities, Held-to-Maturity, Fair Value 145,956 147,143
Agency Securities [Member] | Government-sponsored enterprises: Mortgage-backed securities - residential [Member]    
Available for Sale Amortized Cost Within 1 year 0  
Available for Sale Amortized Cost Over 1 year through 5 years 11  
Available for Sale Amortized Cost Over 5 years through 10 years 70  
Available for Sale Amortized Cost Over 10 years 9  
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total 90  
Available-for-sale Securities, Amortized Cost 90 114
Available for Sale Fair Value Within 1 year 0  
Available for Sale Fair Value Over 1 year through 5 years 11  
Available for Sale Fair Value Over 5 years through 10 years 71  
Available for Sale Fair Value Over 10 years 9  
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total 91  
Available-for-sale securities, Estimated Fair Value 91 113
Held to Maturity Amortized Cost Within 1 year 19  
Held to Maturity Amortized Cost Over 1 year through 5 years 3,059  
Held to Maturity Amortized Cost Over 5 years through 10 years 12,497  
Held to Maturity Amortized Cost Over 10 years 34,649  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Total 50,224  
Held to Maturity Fair Value Within 1 year 19  
Held to Maturity Fair Value Over 1 year through 5 years 2,996  
Held to Maturity Fair Value Over 5 years through 10 years 11,929  
Held to Maturity Fair Value Over 10 years 33,947  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total 48,891  
Debt Securities, Held-to-Maturity, Fair Value 48,891 43,806
Agency Securities [Member] | Government-sponsored enterprises: commercial [Member]    
Held to Maturity Amortized Cost Within 1 year 0  
Held to Maturity Amortized Cost Over 1 year through 5 years 3,414  
Held to Maturity Amortized Cost Over 5 years through 10 years 1,458  
Held to Maturity Amortized Cost Over 10 years 0  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Total 4,872  
Held to Maturity Fair Value Within 1 year 0  
Held to Maturity Fair Value Over 1 year through 5 years 3,408  
Held to Maturity Fair Value Over 5 years through 10 years 1,461  
Held to Maturity Fair Value Over 10 years 0  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total 4,869  
Debt Securities, Held-to-Maturity, Fair Value 4,869 4,470
Agency Securities [Member] | Government-sponsored enterprises: Collateralized mortgage obligations [Member]    
Held to Maturity Amortized Cost Within 1 year 0  
Held to Maturity Amortized Cost Over 1 year through 5 years 974  
Held to Maturity Amortized Cost Over 5 years through 10 years 3,193  
Held to Maturity Amortized Cost Over 10 years 0  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Total 4,167  
Held to Maturity Fair Value Within 1 year 0  
Held to Maturity Fair Value Over 1 year through 5 years 974  
Held to Maturity Fair Value Over 5 years through 10 years 3,188  
Held to Maturity Fair Value Over 10 years 0  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total 4,162  
Debt Securities, Held-to-Maturity, Fair Value 4,162 2,984
Agency Securities [Member] | Municipal Bonds [Member]    
Held to Maturity Amortized Cost Within 1 year 404  
Held to Maturity Amortized Cost Over 1 year through 5 years 8,169  
Held to Maturity Amortized Cost Over 5 years through 10 years 14,630  
Held to Maturity Amortized Cost Over 10 years 14,747  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Total 37,950  
Held to Maturity Fair Value Within 1 year 405  
Held to Maturity Fair Value Over 1 year through 5 years 8,123  
Held to Maturity Fair Value Over 5 years through 10 years 12,587  
Held to Maturity Fair Value Over 10 years 11,400  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total 32,515  
Debt Securities, Held-to-Maturity, Fair Value 32,515 34,822
Agency Securities [Member] | Corporate Bond Securities [Member]    
Held to Maturity Amortized Cost Within 1 year 2,500  
Held to Maturity Amortized Cost Over 1 year through 5 years 39,512  
Held to Maturity Amortized Cost Over 5 years through 10 years 5,052  
Held to Maturity Amortized Cost Over 10 years 1,679  
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity, Allocated and Single Maturity Date, Total 48,743  
Held to Maturity Fair Value Within 1 year 2,474  
Held to Maturity Fair Value Over 1 year through 5 years 37,650  
Held to Maturity Fair Value Over 5 years through 10 years 4,564  
Held to Maturity Fair Value Over 10 years 1,310  
Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total 45,998  
Debt Securities, Held-to-Maturity, Fair Value $ 45,998 $ 46,359