Consolidated Obligations Interest Rate Payment Terms (Details) - Unsecured Debt [Member] - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Debt, Gross	$ 56,385,845	$ 58,340,975
Fixed Interest Rate [Member]
Debt Instrument [Line Items]
Debt, Gross	33,425,345	31,954,475
Variable Rate SOFR
Debt Instrument [Line Items]
Debt, Gross	19,928,500	21,849,500
Step Up [Member]
Debt Instrument [Line Items]
Debt, Gross	3,017,000	4,522,000
Step Down [Member]
Debt Instrument [Line Items]
Debt, Gross	$ 15,000	$ 15,000

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.

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+ Details