Estimated Fair Values - Recurring and Non-Recurring Basis (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
Assets: |
|
|
|
Trading securities |
|
$ 1,097,184
|
$ 1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
14,607,670
|
14,349,889
|
Derivative assets, net |
|
445,192
|
478,067
|
Netting adjustments and cash collateral, derivative asset |
[1],[2] |
4,923
|
(201,614)
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
7,746
|
9,302
|
Netting adjustments and cash collateral, derivative liability |
[1],[2] |
(751,386)
|
(1,012,234)
|
Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Netting adjustments and cash collateral, derivative asset |
[3] |
4,923
|
(201,614)
|
Liabilities: |
|
|
|
Netting adjustments and cash collateral, derivative liability |
[3] |
(751,386)
|
(1,012,234)
|
Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
Assets: |
|
|
|
Netting adjustments and cash collateral, derivative asset |
[3] |
4,923
|
(201,614)
|
Liabilities: |
|
|
|
Netting adjustments and cash collateral, derivative liability |
[3] |
(751,386)
|
(1,012,234)
|
Level 1 |
|
|
|
Assets: |
|
|
|
Trading securities |
|
0
|
0
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
Derivative assets, net |
|
0
|
0
|
Grantor trust assets |
[4] |
74,045
|
69,699
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
Level 1 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
0
|
0
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
Derivative assets, net |
|
0
|
0
|
Grantor trust assets |
|
74,045
|
69,699
|
Total assets at estimated fair value |
|
74,045
|
69,699
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
Total liabilities at recurring estimated fair value |
|
0
|
0
|
Level 1 | Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
Level 2 |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
14,607,670
|
14,349,889
|
Derivative assets, net |
|
440,269
|
679,681
|
Grantor trust assets |
[4] |
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
759,132
|
1,021,536
|
Level 2 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
14,607,670
|
14,349,889
|
Derivative assets, net |
|
440,269
|
679,681
|
Grantor trust assets |
|
0
|
0
|
Total assets at estimated fair value |
|
16,145,123
|
16,117,500
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
759,132
|
1,021,536
|
Total liabilities at recurring estimated fair value |
|
759,132
|
1,021,536
|
Level 2 | Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
439,766
|
679,640
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
759,130
|
1,021,165
|
Level 3 |
|
|
|
Assets: |
|
|
|
Trading securities |
|
0
|
0
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
Derivative assets, net |
|
0
|
0
|
Grantor trust assets |
[4] |
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
Level 3 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
0
|
0
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
Derivative assets, net |
|
0
|
0
|
Grantor trust assets |
|
0
|
0
|
Total assets at estimated fair value |
|
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
Total liabilities at recurring estimated fair value |
|
0
|
0
|
Level 3 | Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
U.S. Treasury obligations |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
5,866,647
|
5,695,205
|
U.S. Treasury obligations | Level 1 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
0
|
0
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
U.S. Treasury obligations | Level 2 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
5,866,647
|
5,695,205
|
U.S. Treasury obligations | Level 3 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
0
|
0
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
GSE and TVA debentures |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
1,508,972
|
1,582,646
|
GSE and TVA debentures | Level 1 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
GSE and TVA debentures | Level 2 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
1,508,972
|
1,582,646
|
GSE and TVA debentures | Level 3 | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
GSE multifamily MBS | Multifamily |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
7,232,051
|
7,072,038
|
GSE multifamily MBS | Level 1 | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
GSE multifamily MBS | Level 2 | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
7,232,051
|
7,072,038
|
GSE multifamily MBS | Level 3 | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
0
|
0
|
MDCs | Fair Value, Measurements, Recurring | Interest-rate forwards |
|
|
|
Assets: |
|
|
|
Netting adjustments and cash collateral, derivative asset |
[3] |
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
[3] |
0
|
0
|
MDCs | Level 1 | Fair Value, Measurements, Recurring | Interest-rate forwards |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
MDCs | Level 2 | Fair Value, Measurements, Recurring | Interest-rate forwards |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
503
|
41
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
2
|
371
|
MDCs | Level 3 | Fair Value, Measurements, Recurring | Interest-rate forwards |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
0
|
0
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
0
|
0
|
Total |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
14,607,670
|
14,349,889
|
Derivative assets, net |
|
445,192
|
478,067
|
Grantor trust assets |
[4] |
74,045
|
69,699
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
7,746
|
9,302
|
Total | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
14,607,670
|
14,349,889
|
Derivative assets, net |
|
445,192
|
478,067
|
Grantor trust assets |
|
74,045
|
69,699
|
Total assets at estimated fair value |
|
16,224,091
|
15,985,585
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
7,746
|
9,302
|
Total liabilities at recurring estimated fair value |
|
7,746
|
9,302
|
Total | Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
444,689
|
478,026
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
7,744
|
8,931
|
Total | U.S. Treasury obligations | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Trading securities |
|
1,097,184
|
1,087,930
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
5,866,647
|
5,695,205
|
Total | GSE and TVA debentures | Fair Value, Measurements, Recurring |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
1,508,972
|
1,582,646
|
Total | GSE multifamily MBS | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
Assets: |
|
|
|
Available-for-sale securities (amortized cost of $14,635,395 and $14,338,221) (Note 3) |
|
7,232,051
|
7,072,038
|
Total | MDCs | Fair Value, Measurements, Recurring | Interest-rate forwards |
|
|
|
Assets: |
|
|
|
Derivative assets, net |
|
503
|
41
|
Liabilities: |
|
|
|
Derivative liabilities, net |
|
$ 2
|
$ 371
|
|
|