v3.26.3
Fair Value of Financial Instruments - Summary of Financial Assets Measured at Fair Value on a Recurring Basis are Available-for-Sale Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Mar. 31, 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale $ 65,434 $ 62,534
Municipal Bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale 6,163 7,520
Fair Value, Recurring | Estimated Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale 65,434 62,534
Fair Value, Recurring | Estimated Fair Value | Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale 59,271 55,014
Fair Value, Recurring | Estimated Fair Value | Municipal Bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale 6,163 7,520
Fair Value, Recurring | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale 65,434 62,534
Fair Value, Recurring | Level 2 | Mortgage Backed Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale 59,271 55,014
Fair Value, Recurring | Level 2 | Municipal Bonds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Securities Available-for-sale $ 6,163 $ 7,520