CO Bonds - Interest Payment Type (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Debt Instrument [Line Items] | ||
| Total CO bonds, par value | $ 51,430,105 | $ 52,733,370 |
| Fixed-rate | ||
| Debt Instrument [Line Items] | ||
| Total CO bonds, par value | 26,876,105 | 28,208,870 |
| Simple variable-rate | ||
| Debt Instrument [Line Items] | ||
| Total CO bonds, par value | 23,945,500 | 23,816,000 |
| Step-up | ||
| Debt Instrument [Line Items] | ||
| Total CO bonds, par value | $ 608,500 | $ 708,500 |
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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