Disclosures About Offsetting Assets and Liabilities - Financial Assets and Derivative Assets that are Subject to Offset (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|---|---|---|
| Offsetting Assets [Line Items] | ||||||||
| Gross amounts of recognized assets, Securities borrowing | [1] | $ 363,277 | $ 315,561 | |||||
| Net amounts presented in the Statement of Financial Condition, Securities borrowing | [1] | 363,277 | 315,561 | |||||
| Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities borrowing | [1] | (28,736) | (36,328) | |||||
| Gross amounts not offset in the Statement of Financial Position, Collateral received, Securities borrowing | [1] | (330,369) | (264,980) | |||||
| Securities borrowed, Net amount | [1] | 4,172 | 14,253 | |||||
| Gross amounts of recognized assets, Reverse repurchase agreements | [2] | 746,375 | 564,162 | |||||
| Net amounts presented in the Statement of Financial Condition, Securities purchased under agreements to resell | [2] | 746,375 | 564,162 | |||||
| Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities purchased under agreements to resell | [2] | (5,463) | (15,198) | |||||
| Gross amounts not offset in the Statement of Financial Position, Collateral received, Securities purchased under agreements to resell | [2] | (738,815) | (546,308) | |||||
| Securities purchased under agreements to resell, Net amount | [2] | 2,097 | 2,656 | |||||
| Gross amounts of recognized assets | 1,175,210 | 951,020 | ||||||
| Net amounts presented in the Statements of Financial Condition | 1,175,210 | 951,020 | ||||||
| Gross amounts not offset in the Statement of Financial Position | (44,258) | (74,733) | ||||||
| Gross amounts not offset in the Statement of Financial Position, Collateral received | (1,124,683) | (834,130) | ||||||
| Net amount | 6,269 | 42,157 | ||||||
| Interest Rate Contracts [Member] | ||||||||
| Offsetting Assets [Line Items] | ||||||||
| Gross amounts of recognized assets | [3] | 65,558 | 71,297 | |||||
| Net amounts presented in the Statements of Financial Condition | [3] | 65,558 | 71,297 | |||||
| Gross amounts not offset in the Statement of Financial Position | [3] | (10,059) | (23,207) | |||||
| Gross amounts not offset in the Statement of Financial Position, Collateral received | [3] | $ (55,499) | (22,842) | |||||
| Offsetting assets interest rate contracts net | [3] | $ 25,248 | ||||||
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