Summary of Significant Accounting Policies Text Tag (Details) $ in Thousands |
12 Months Ended | |
|---|---|---|
|
Mar. 31, 2025
USD ($)
|
Mar. 31, 2024
USD ($)
|
|
| Accounting Policies [Abstract] | ||
| Number of Reportable Segments | 1 | |
| Property, Plant and Equipment [Line Items] | ||
| Servicing fee income | $ 25 | $ 32 |
| Mortgage Loans in Process of Foreclosure, Amount | 1,300 | 2,700 |
| Off-Balance-Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal) | 2 | 1 |
| Off-Balance-Sheet, Credit Loss, Liability | $ 11 | $ 9 |
| Minimum | Buildings and improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Useful Life | 10 years | |
| Minimum | Furnishings and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Useful Life | 3 years | |
| Maximum | Buildings and improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Useful Life | 25 years | |
| Maximum | Furnishings and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property, Plant and Equipment, Useful Life | 5 years | |