Advances (Advances Redemption Terms) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Amount
Due in one year or less	$ 30,020,868	$ 29,786,238
Due after one year through two years	4,534,314	4,213,704
Due after two years through three years	4,279,823	3,882,479
Due after three years through four years	3,662,221	3,086,881
Due after four years through five years	2,225,050	2,837,481
Thereafter	1,821,405	1,863,519
TOTAL PAR VALUE	46,543,681	45,670,302
Discounts	(8,920)	(10,276)
Hedging adjustments	(315,014)	(215,257)
TOTAL	$ 46,219,747	$ 45,444,769
Weighted Average Interest Rate
Due in one year or less	5.31%	5.32%
Due after one year through two years	4.14%	4.01%
Due after two years through three years	4.29%	4.22%
Due after three years through four years	4.41%	4.04%
Due after four years through five years	4.07%	4.03%
Thereafter	3.21%	3.04%
Total par value	4.89%	4.85%
Federal Home Loan Bank Advances Receivable [Member]
Federal Home Loan Bank, Advances [Line Items]
Advances, Accrued Interest, after Allowance for Credit Loss	$ 180,274	$ 118,604
Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable	Accrued interest receivable