Consolidated Obligations Interest Rate Payment Terms (Details) - Unsecured Debt [Member] - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Debt, Gross	$ 60,660,575	$ 58,340,975
Fixed Interest Rate [Member]
Debt Instrument [Line Items]
Debt, Gross	34,210,075	31,954,475
Variable Rate SOFR
Debt Instrument [Line Items]
Debt, Gross	22,748,500	21,849,500
Step Up [Member]
Debt Instrument [Line Items]
Debt, Gross	3,687,000	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