Estimated Fair Values - Recurring and Non-Recurring Basis (Details) - USD ($)
$ in Thousands |
Mar. 31, 2025 |
Dec. 31, 2024 |
| Assets: |
|
|
|
|
|
| Trading securities |
|
$ 1,094,852
|
|
$ 1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
14,509,074
|
|
14,349,889
|
|
| Derivative assets, net |
|
442,561
|
|
478,067
|
|
| Netting adjustments and cash collateral, derivative asset |
[1],[2] |
(67,419)
|
|
(201,614)
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
9,324
|
|
9,302
|
|
| Netting adjustments and cash collateral, derivative liability |
[1],[2] |
(841,219)
|
|
(1,012,234)
|
|
| Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Netting adjustments and cash collateral, derivative asset |
[3] |
(67,419)
|
[1] |
(201,614)
|
|
| Liabilities: |
|
|
|
|
|
| Netting adjustments and cash collateral, derivative liability |
|
(841,219)
|
[1] |
(1,012,234)
|
[3] |
| Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Netting adjustments and cash collateral, derivative asset |
|
(67,419)
|
|
(201,614)
|
[3] |
| Liabilities: |
|
|
|
|
|
| Netting adjustments and cash collateral, derivative liability |
|
(841,219)
|
[1] |
(1,012,234)
|
[3] |
| Level 1 |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
0
|
|
0
|
|
| Derivative assets, net |
|
0
|
|
0
|
|
| Grantor trust assets |
[4] |
69,141
|
|
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 $14,497,089 and $14,338,221) (Note 3) |
|
0
|
|
0
|
|
| Derivative assets, net |
|
0
|
|
0
|
|
| Grantor trust assets |
|
69,141
|
|
69,699
|
|
| Total assets at estimated fair value |
|
69,141
|
|
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 |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
14,509,074
|
|
14,349,889
|
|
| Derivative assets, net |
|
509,980
|
|
679,681
|
|
| Grantor trust assets |
[4] |
0
|
|
0
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
850,543
|
|
1,021,536
|
|
| Level 2 | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Trading securities |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
14,509,074
|
|
14,349,889
|
|
| Derivative assets, net |
|
509,980
|
|
679,681
|
|
| Grantor trust assets |
|
0
|
|
0
|
|
| Total assets at estimated fair value |
|
16,113,906
|
|
16,117,500
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
850,543
|
|
1,021,536
|
|
| Total liabilities at recurring estimated fair value |
|
850,543
|
|
1,021,536
|
|
| Level 2 | Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Derivative assets, net |
|
509,538
|
|
679,640
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
850,537
|
|
1,021,165
|
|
| Level 3 |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| Available-for-sale securities (amortized cost of $14,497,089 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 $14,497,089 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 |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
5,807,671
|
|
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 $14,497,089 and $14,338,221) (Note 3) |
|
0
|
|
0
|
|
| U.S. Treasury obligations | Level 2 | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Trading securities |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
5,807,671
|
|
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 $14,497,089 and $14,338,221) (Note 3) |
|
0
|
|
0
|
|
| GSE and TVA debentures |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
1,510,882
|
|
1,582,646
|
|
| GSE and TVA debentures | Level 1 | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 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 $14,497,089 and $14,338,221) (Note 3) |
|
1,510,882
|
|
1,582,646
|
|
| GSE and TVA debentures | Level 3 | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
0
|
|
0
|
|
| GSE multifamily MBS | Multifamily |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
7,190,521
|
|
7,072,038
|
|
| GSE multifamily MBS | Level 1 | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 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 $14,497,089 and $14,338,221) (Note 3) |
|
7,190,521
|
|
7,072,038
|
|
| GSE multifamily MBS | Level 3 | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 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 |
|
442
|
|
41
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
6
|
|
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 |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
14,509,074
|
|
14,349,889
|
|
| Derivative assets, net |
|
442,561
|
|
478,067
|
|
| Grantor trust assets |
[4] |
69,141
|
|
69,699
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
9,324
|
|
9,302
|
|
| Total | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Trading securities |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
14,509,074
|
|
14,349,889
|
|
| Derivative assets, net |
|
442,561
|
|
478,067
|
|
| Grantor trust assets |
|
69,141
|
|
69,699
|
|
| Total assets at estimated fair value |
|
16,115,628
|
|
15,985,585
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
9,324
|
|
9,302
|
|
| Total liabilities at recurring estimated fair value |
|
9,324
|
|
9,302
|
|
| Total | Fair Value, Measurements, Recurring | Interest-rate related |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Derivative assets, net |
|
442,119
|
|
478,026
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
9,318
|
|
8,931
|
|
| Total | U.S. Treasury obligations | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Trading securities |
|
1,094,852
|
|
1,087,930
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
5,807,671
|
|
5,695,205
|
|
| Total | GSE and TVA debentures | Fair Value, Measurements, Recurring |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
1,510,882
|
|
1,582,646
|
|
| Total | GSE multifamily MBS | Fair Value, Measurements, Recurring | Multifamily |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Available-for-sale securities (amortized cost of $14,497,089 and $14,338,221) (Note 3) |
|
7,190,521
|
|
7,072,038
|
|
| Total | MDCs | Fair Value, Measurements, Recurring | Interest-rate forwards |
|
|
|
|
|
| Assets: |
|
|
|
|
|
| Derivative assets, net |
|
442
|
|
41
|
|
| Liabilities: |
|
|
|
|
|
| Derivative liabilities, net |
|
$ 6
|
|
$ 371
|
|
|
|