Derivative Financial Instruments and Hedging Activities - Narrative (Details) |
1 Months Ended | 2 Months Ended | 3 Months Ended | 4 Months Ended | 13 Months Ended | |
|---|---|---|---|---|---|---|
Oct. 31, 2025 |
Feb. 28, 2026 |
Jun. 30, 2025 |
Mar. 31, 2026 |
Mar. 31, 2024 |
Apr. 30, 2025 |
|
| Derivative [Line Items] | ||||||
| Minimum Hedge Coverage Ratio | 85.00% | |||||
| Minimum | ||||||
| Derivative [Line Items] | ||||||
| Loans held-for-sale, period of sale | 5 days | |||||
| Minimum Hedge Coverage Ratio | 95.00% | 95.00% | 80.00% | 95.00% | 90.00% | |
| Minimum | Forward loans IRLCs | ||||||
| Derivative [Line Items] | ||||||
| Loan commitment, term | 5 days | |||||
| Loan commitment, average term | 40 days | |||||
| Loan Commitment to Correspondents | 5 days | |||||
| Maximum | ||||||
| Derivative [Line Items] | ||||||
| Loans held-for-sale, period of sale | 30 days | |||||
| Minimum Hedge Coverage Ratio | 100.00% | 105.00% | 100.00% | 105.00% | 110.00% | |
| Maximum | Forward loans IRLCs | ||||||
| Derivative [Line Items] | ||||||
| Loan commitment, term | 75 days | |||||
| Loan commitment, average term | 60 days | |||||
| Loan Commitment to Correspondents | 30 days |