Consolidated Obligations (Consolidated Obligation Discount Notes) (Details) - USD ($) $ in Thousands |
Sep. 30, 2025 |
Dec. 31, 2024 |
||
|---|---|---|---|---|
| Short-term Debt [Line Items] | ||||
| Discount Notes, Book value | $ 12,226,613 | $ 11,685,159 | ||
| Discount Notes, Weighted Average Interest Rate | [1] | 4.08% | 4.42% | |
| Short-term Debt [Member] | ||||
| Short-term Debt [Line Items] | ||||
| Debt Instrument, Face Amount | $ 12,347,930 | $ 11,777,387 | ||
| ||||
| X | ||||||||||
- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of joint and several obligations consisting of discount notes issued by Federal Home Loan Banks (FHLBanks). No definition available.
|
| X | ||||||||||
- 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. No definition available.
|
| X | ||||||||||
- Definition Weighted average interest rate of short-term debt outstanding calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|