Regulatory Capital Requirements (Details) $ in Thousands |
Mar. 31, 2025
USD ($)
capital_requirement
|
Dec. 31, 2024
USD ($)
|
|---|---|---|
| Banking Regulation, Total Capital [Abstract] | ||
| Number of regulatory capital requirements | capital_requirement | 3 | |
| Risk-based capital, required | $ 1,100,911 | $ 1,078,665 |
| Risk-based capital, actual | 4,457,333 | 4,602,510 |
| Regulatory capital, required | 3,228,421 | 3,381,384 |
| Regulatory capital, actual | $ 4,457,333 | $ 4,602,510 |
| Regulatory permanent capital-to-asset ratio, required | 4.00% | 4.00% |
| Regulatory permanent capital-to-asset ratio, actual | 5.52% | 5.44% |
| Leverage capital, required | $ 4,035,526 | $ 4,226,730 |
| Leverage capital, actual | $ 6,686,000 | $ 6,903,765 |
| Leverage ratio, required | 5.00% | 5.00% |
| Leverage ratio, actual | 8.28% | 8.17% |