v3.26.1
Consolidated Obligations - Interest Rate Payment Terms of Consolidated Obligation Bonds (Details) - Hedged consolidated obligation bonds - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Debt Instrument [Line Items]    
Total par value $ 87,703,265 $ 68,408,655
Percentage of Total 100.00% 100.00%
Fixed-rate, non-callable    
Debt Instrument [Line Items]    
Total par value $ 18,409,965 $ 22,142,355
Percentage of Total 20.99% 32.37%
Fixed-rate, callable    
Debt Instrument [Line Items]    
Total par value $ 15,487,800 $ 15,927,800
Percentage of Total 17.66% 23.28%
Step Up, callable    
Debt Instrument [Line Items]    
Total par value $ 675,000 $ 1,132,000
Percentage of Total 0.77% 1.65%
Step Down, callable    
Debt Instrument [Line Items]    
Total par value $ 52,000 $ 52,000
Percentage of Total 0.06% 0.08%
Floating rate, callable    
Debt Instrument [Line Items]    
Total par value $ 312,500 $ 25,000
Percentage of Total 0.36% 0.04%
Single-index floating rate    
Debt Instrument [Line Items]    
Total par value $ 52,766,000 $ 29,129,500
Percentage of Total 60.16% 42.58%