Allowance for Credit Losses (Narratives) (Details) - USD ($) $ in Millions |
9 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Mar. 31, 2025 |
|
| Financing Receivable Impaired [Line Items] | |||
| Paid and unpaid percentage | 1.00% | ||
| Allowance for expected credit losses | $ 3.5 | $ 5.1 | |
| Available for sale securities, accrued interest receivable | 28.8 | $ 29.4 | |
| Commercial Real Estate Portfolio Segment [Member] | |||
| Financing Receivable Impaired [Line Items] | |||
| Premiums Receivable Gross | $ 0.9 | $ 0.1 | |
| Credit card receivables | |||
| Financing Receivable Impaired [Line Items] | |||
| Average Historical Chargeback Term | The Company rents equipment to corporate customers for which the payment terms are 30 days. | ||
| Accrued interest receivables | |||
| Financing Receivable Impaired [Line Items] | |||
| Average Historical Chargeback Term | Historical credit loss experience provides additional support for the estimation of expected credit losses. In assessing the credit losses, the portfolio is reviewed on a collective basis, using loan-specific cash flows to determine the fair value of the collateral in the event of default. Adjustments to this analysis are made to assess loans with a loan-to-value of 65% or greater. | ||