v3.26.1
Consolidated Obligations (Contractual Maturity Terms) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule of Short-term and Long-term Debt [Line Items]    
Long-term Debt, Maturities, Repayments of Principal in Next Rolling Twelve Months $ 64,494,750 $ 38,903,990
Long Debt, Maturities, Repayments of Principal in Next Twelve Months, Weighted Average Interest Rate 3.50% 3.34%
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Two $ 8,916,900 $ 3,468,100
Long-term Debt, Maturities, Repayments of Principal in Year Two, Weighted Average Interest Rate 3.61% 3.25%
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Three $ 1,820,260 $ 2,634,525
Long-term Debt, Maturities, Repayments of Principal in Year Three, Weighted Average Interest Rate 3.75% 3.56%
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Four $ 1,194,500 $ 1,328,135
Long-term Debt, Maturities, Repayments of Principal in Year Four, Weighted Average Interest Rate 3.58% 3.93%
Long-term Debt, Maturities, Repayments of Principal in Rolling Year Five $ 1,685,500 $ 1,249,500
Long-term Debt, Maturities, Repayments of Principal in Year Five, Weighted Average Interest Rate 3.55% 3.39%
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five $ 3,307,000 $ 3,303,000
Long-term Debt, Maturities, Repayments of Principal After Year Five, Weighted Average Interest Rate 3.73% 3.58%
Long-term Debt, Gross $ 81,418,910 $ 50,887,250
Long-term Debt, Weighted Average Interest Rate, at Point in Time 3.53% 3.38%
Bond premiums $ 17,227 $ 19,442
Bond discounts (6,293) (6,909)
Concession fees (7,838) (6,488)
Fair value hedging adjustments $ (72,679) $ (98,044)