v3.26.1
Schedule of Long-term Debt by Call Feature (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Schedule of Short-term and Long-term Debt [Line Items]    
Par amounts for the FHLBanks' outstanding Consolidated Obligation $ 1,330,800,000 $ 1,151,800,000
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)
Total consolidated obligation bonds 81,349,327 50,795,251
Long-term Debt, Gross 81,418,910 50,887,250
Fixed Interest Rate [Member]    
Schedule of Short-term and Long-term Debt [Line Items]    
Long-term Debt, Gross 27,842,410 28,211,750
Step-up Interest Rate [Member] [Member]    
Schedule of Short-term and Long-term Debt [Line Items]    
Long-term Debt, Gross 815,000 1,075,000
Variable interest rate [Member]    
Schedule of Short-term and Long-term Debt [Line Items]    
Long-term Debt, Gross $ 52,761,500 $ 21,600,500