Consolidated Obligations Bonds by Interest-Rate Type (Details) - Consolidated Obligation Bonds [Member] - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 93,982,440	$ 91,572,045
Fixed-rate [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	19,600,440	33,686,045
Adjustable Interest Rate [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 74,382,000	$ 57,886,000