Estimated Fair Values (Fair Value Measured on Recurring and Nonrecurring Basis) (Details) - USD ($)
|
Sep. 30, 2025 |
Dec. 31, 2024 |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
$ 301,096,000
|
|
$ 353,629,000
|
|
| Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset |
[1],[2] |
195,599,000
|
|
286,230,000
|
|
| Derivative liabilities |
|
13,387,000
|
|
8,666,000
|
|
| Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset |
[2] |
(170,574,000)
|
|
(363,409,000)
|
[1] |
| Fair Value |
|
17,832,294,000
|
|
18,163,843,000
|
|
| Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
0
|
|
| Fair Value |
|
0
|
|
0
|
|
| Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| Derivative assets |
|
105,497,000
|
|
67,399,000
|
|
| Derivative liabilities |
|
183,961,000
|
|
372,075,000
|
|
| Fair Value |
|
17,727,127,000
|
|
18,050,348,000
|
|
| Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
0
|
|
| Fair Value |
|
105,167,000
|
|
113,495,000
|
|
| Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset |
|
195,599,000
|
|
286,230,000
|
|
| Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset |
|
(170,574,000)
|
[1] |
(363,409,000)
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| AFS Securities |
|
0
|
|
0
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
|
|
| Total assets at fair value |
|
0
|
|
0
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| AFS Securities |
|
17,727,127,000
|
|
18,050,348,000
|
|
| Derivative assets |
|
105,497,000
|
|
67,399,000
|
|
| Derivative liabilities |
|
183,961,000
|
|
372,075,000
|
|
| Total assets at fair value |
|
17,951,793,000
|
|
18,266,900,000
|
|
| Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| AFS Securities |
|
105,167,000
|
|
113,495,000
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
0
|
|
| Total assets at fair value |
|
105,167,000
|
|
113,495,000
|
|
| Fair Value, Nonrecurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Mortgage loans held for portfolio |
|
8,870,000
|
|
8,090,000
|
|
| REO - FV |
|
94,000
|
|
312,000
|
|
| Total assets at fair value |
|
8,964,000
|
|
8,402,000
|
|
| Interest Rate Swap [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset |
|
195,599,000
|
|
286,230,000
|
|
| Derivative Liability, Subject to Master Netting Arrangement, Gross Asset and Collateral, Right to Reclaim Cash, Offset |
|
(170,574,000)
|
|
(363,409,000)
|
|
| Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
0
|
|
| Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
105,496,000
|
|
67,392,000
|
|
| Derivative liabilities |
|
183,648,000
|
|
371,838,000
|
|
| Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
0
|
|
| U.S. Treasury obligations |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Fair Value |
|
3,952,753,000
|
|
4,112,955,000
|
|
| U.S. Treasury obligations | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
3,952,753,000
|
|
4,112,955,000
|
|
| GSE obligations |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| Fair Value |
|
862,486,000
|
|
907,124,000
|
|
| GSE obligations | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| AFS Securities |
|
0
|
|
0
|
|
| GSE obligations | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| AFS Securities |
|
862,486,000
|
|
907,124,000
|
|
| GSE obligations | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
0
|
|
0
|
|
| AFS Securities |
|
0
|
|
0
|
|
| State or local agency obligations [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Fair Value |
|
172,001,000
|
|
169,336,000
|
|
| State or local agency obligations [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| State or local agency obligations [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
172,001,000
|
|
|
|
| Fair Value |
|
|
|
169,336,000
|
|
| State or local agency obligations [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| U.S. obligations single-family |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Fair Value |
|
1,401,260,000
|
|
1,712,384,000
|
|
| U.S. obligations single-family | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| U.S. obligations single-family | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
1,401,260,000
|
|
|
|
| Fair Value |
|
|
|
1,712,384,000
|
|
| U.S. obligations single-family | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| Private label MBS [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Fair Value |
|
105,167,000
|
|
113,495,000
|
|
| Private label MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| Private label MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| Private label MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
105,167,000
|
|
|
|
| Fair Value |
|
|
|
113,495,000
|
|
| Mortgage Receivable [Member] | Forward Contracts [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset |
|
0
|
|
0
|
|
| Mortgage Receivable [Member] | Forward Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Mortgage Receivable [Member] | Forward Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
1,000
|
|
7,000
|
|
| Derivative liabilities |
|
313,000
|
|
237,000
|
|
| Mortgage Receivable [Member] | Forward Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
0
|
|
0
|
|
| Derivative liabilities |
|
0
|
|
|
|
| Estimate of Fair Value Measurement [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| Derivative assets |
|
301,096,000
|
|
353,629,000
|
|
| Derivative liabilities |
|
13,387,000
|
|
8,666,000
|
|
| Fair Value |
|
17,832,294,000
|
|
18,163,843,000
|
|
| Estimate of Fair Value Measurement [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| AFS Securities |
|
17,832,294,000
|
|
18,163,843,000
|
|
| Derivative assets |
|
301,096,000
|
|
353,629,000
|
|
| Derivative liabilities |
|
13,387,000
|
|
8,666,000
|
|
| Total assets at fair value |
|
18,252,559,000
|
|
18,666,625,000
|
|
| Estimate of Fair Value Measurement [Member] | Fair Value, Nonrecurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Mortgage loans held for portfolio |
|
8,870,000
|
|
8,090,000
|
|
| REO - FV |
|
94,000
|
|
312,000
|
|
| Total assets at fair value |
|
8,964,000
|
|
8,402,000
|
|
| Estimate of Fair Value Measurement [Member] | Interest Rate Swap [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
301,095,000
|
|
353,622,000
|
|
| Derivative liabilities |
|
13,074,000
|
|
8,429,000
|
|
| Estimate of Fair Value Measurement [Member] | U.S. Treasury obligations | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
3,952,753,000
|
|
4,112,955,000
|
|
| Estimate of Fair Value Measurement [Member] | GSE obligations | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Trading securities |
|
119,169,000
|
|
149,153,000
|
|
| AFS Securities |
|
862,486,000
|
|
907,124,000
|
|
| Estimate of Fair Value Measurement [Member] | State or local agency obligations [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
172,001,000
|
|
169,336,000
|
|
| Estimate of Fair Value Measurement [Member] | U.S. obligations single-family | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
1,401,260,000
|
|
1,712,384,000
|
|
| Estimate of Fair Value Measurement [Member] | Private label MBS [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
105,167,000
|
|
113,495,000
|
|
| Estimate of Fair Value Measurement [Member] | Mortgage Receivable [Member] | Forward Contracts [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Derivative assets |
|
1,000
|
|
7,000
|
|
| Derivative liabilities |
|
313,000
|
|
237,000
|
|
| Single Family [Member] | GSE MBS [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Fair Value |
|
4,958,359,000
|
|
4,597,885,000
|
|
| Single Family [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| Single Family [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
4,958,359,000
|
|
|
|
| Fair Value |
|
|
|
4,597,885,000
|
|
| Single Family [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Single Family [Member] | Estimate of Fair Value Measurement [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
4,958,359,000
|
|
4,597,885,000
|
|
| Multifamily [Member] | GSE MBS [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| Fair Value |
|
6,380,268,000
|
|
6,550,664,000
|
|
| Multifamily [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| Multifamily [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
6,380,268,000
|
|
|
|
| Fair Value |
|
|
|
6,550,664,000
|
|
| Multifamily [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
0
|
|
|
|
| Fair Value |
|
|
|
0
|
|
| Multifamily [Member] | Estimate of Fair Value Measurement [Member] | GSE MBS [Member] | Fair Value, Recurring [Member] |
|
|
|
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
|
|
|
| AFS Securities |
|
$ 6,380,268,000
|
|
$ 6,550,664,000
|
|
|
|