v3.26.1
Capital (Details) - USD ($)
Mar. 31, 2026
Mar. 23, 2026
Dec. 31, 2025
Capital [Line Items]      
Minimum Capital Stock to Assets Ratio, Percent Required 2.00%   2.00%
Federal Home Loan Bank, Risk-Based Capital, Required $ 1,237,030,000   $ 1,230,921,000
Federal Home Loan Bank, Risk-Based Capital, Actual 6,161,658,000   6,573,370,000
Federal Home Loan Bank, Regulatory Capital, Required 3,882,883,000   4,340,481,000
Federal Home Loan Bank, Regulatory Capital, Actual $ 6,161,658,000   $ 6,573,370,000
Regulatory Capital Ratio, Required 4.00%   4.00%
Federal Home Loan Bank, Regulatory Capital Ratio, Actual 6.35%   6.06%
Federal Home Loan Bank, Leverage Capital, Required $ 4,853,603,000   $ 5,425,601,000
Federal Home Loan Bank, Leverage Capital, Actual $ 9,242,487,000   $ 9,860,055,000
Federal Home Loan Bank, Leverage Ratio, Actual 9.52%   9.09%
Leverage Ratio, Required 5.00%   5.00%
Membership Investment Requirement, Percent of Members Total Assets as of Previous Calendar Year 0.04%    
Membership Investment Requirement, Minimum Dollar Amount $ 1,000    
Membership Investment Requirement, Maximum Dollar Amount $ 7,000,000    
Activity Based Investment Requirement, Percent of Outstanding Advances 4.10%    
Surplus Stock Threshold Percentage 110.00% 110.00%  
Minimum Stock Surplus Required For Repurchase $ 1,000,000 $ 1,000,000  
Repurchased Surplus Stock, Total   461,181,000  
RepurchasedSurplusStockMRCSPortion   $ 47,284,000  
Activity Based Investment Requirement, Percent of Outstanding LOCs 0.10%    
Advances Funded Under Special Advances Program Remaining Balance $ 1,736,551,000    
Activity Based Investment Requirement, Reduced Percentage, Funded Advance Programs 2.00%