v3.25.2
Derivatives And Hedging Activities (Net Gains or Losses on Derivatives and Hedging Activities) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]        
Total amounts presented in the Statements of Income, Advances $ 548,614 $ 634,504 $ 1,056,702 $ 1,226,491
Total amounts presented in the Statements of Income, Available-for-sale Securities 180,970 193,900 357,339 383,959
Total amounts presented in the Statements of Income, Consolidated Obligations Discount Notes 114,114 233,774 231,289 461,315
Total amounts presented in the Statements of Income, Consolidated Obligations Bonds 677,333 669,999 1,310,351 1,293,539
Interest Rate Contract [Member] | Advances [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
NET GAINS (LOSSES) ON FAIR VALUE HEDGING RELATIONSHIPS $ 41,125 $ 74,628 $ 79,702 $ 152,479
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total amounts presented in the Statements of Income, Advances Total amounts presented in the Statements of Income, Advances Total amounts presented in the Statements of Income, Advances Total amounts presented in the Statements of Income, Advances
Interest Rate Contract [Member] | Advances [Member] | Interest Income [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivatives1 $ (32,497) [1] $ 57,347 [1] $ (116,518) [2] $ 252,237 [2]
Hedged items2 73,622 [3] 17,281 [3] 196,220 [4] (99,758) [4]
Interest Rate Contract [Member] | Available-for-Sale Securities [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
NET GAINS (LOSSES) ON FAIR VALUE HEDGING RELATIONSHIPS $ 41,891 $ 56,430 $ 81,986 $ 113,864
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total amounts presented in the Statements of Income, Available-for-sale Securities Total amounts presented in the Statements of Income, Available-for-sale Securities Total amounts presented in the Statements of Income, Available-for-sale Securities Total amounts presented in the Statements of Income, Available-for-sale Securities
Interest Rate Contract [Member] | Available-for-Sale Securities [Member] | Interest Income [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivatives1 $ (58,207) [1] $ 42,784 [1] $ (160,041) [2] $ 188,471 [2]
Hedged items2 100,098 [3] 13,646 [3] 242,027 [4] (74,607) [4]
Interest Rate Contract [Member] | Consolidated Obligations Discount Notes [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
NET GAINS (LOSSES) ON FAIR VALUE HEDGING RELATIONSHIPS $ (887) $ (1,969) $ (353) $ (4,310)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total amounts presented in the Statements of Income, Consolidated Obligations Discount Notes Total amounts presented in the Statements of Income, Consolidated Obligations Discount Notes Total amounts presented in the Statements of Income, Consolidated Obligations Discount Notes Total amounts presented in the Statements of Income, Consolidated Obligations Discount Notes
Interest Rate Contract [Member] | Consolidated Obligations Discount Notes [Member] | Interest Expense [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivatives1 $ (1,096) [1] $ (3,609) [1] $ (1,700) [2] $ (6,663) [2]
Hedged items2 209 [3] 1,640 [3] 1,347 [4] 2,353 [4]
Interest Rate Contract [Member] | Consolidated Obligations Bonds [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
NET GAINS (LOSSES) ON FAIR VALUE HEDGING RELATIONSHIPS $ (29,299) $ (72,464) $ (60,043) $ (149,908)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total amounts presented in the Statements of Income, Consolidated Obligations Bonds Total amounts presented in the Statements of Income, Consolidated Obligations Bonds Total amounts presented in the Statements of Income, Consolidated Obligations Bonds Total amounts presented in the Statements of Income, Consolidated Obligations Bonds
Interest Rate Contract [Member] | Consolidated Obligations Bonds [Member] | Interest Expense [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Derivatives1 $ 6,841 [1] $ (29,912) [1] $ 28,202 [2] $ (114,399) [2]
Hedged items2 $ (36,140) [3] $ (42,552) [3] $ (88,245) [4] $ (35,509) [4]
[1] Includes net interest settlements in interest income/expense.
[2]
1 Includes net interest settlements in interest income/expense.
[3] Includes amortization/accretion on closed fair value relationships in interest income.
[4]
2 Includes amortization/accretion on closed fair value relationships in interest income.