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v3.23.3

Financial Derivatives - Schedule of Derivative Instruments in Statement of Financial Position (Details) - USD ($) $ / shares in Units, $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Notional Disclosures [Abstract] |  |
Notional Amount | $ 24,460,267 | $ 23,878,611
Asset |  |
Fair value, asset | 28,855 | 37,409
Netting adjustments | (3,180) | (5,212)
(Liability) |  |
Fair value, liability | (188,362) | (175,326)
Netting adjustments | 3,180 | 5,212
Designated as hedge | Fair value hedges: | Receive fixed non-callable |  |
Notional Disclosures [Abstract] |  |
Notional Amount | 8,942,935 | 8,149,871
Asset |  |
Fair value, asset | 2,996 | 13,689
(Liability) |  |
Fair value, liability | $ (11) | $ (366)
Weighted- Average Pay Rate | 5.46% | 2.23%
Weighted- Average Receive Rate | 2.74% | 4.33%
Weighted- Average Remaining Term (in years) | 1 year 8 months 1 day | 10 years 9 months 3 days
Designated as hedge | Fair value hedges: | Pay fixed non-callable |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 8,830,943 | $ 10,033,750
Asset |  |
Fair value, asset | 81 | 19
(Liability) |  |
Fair value, liability | $ (11,054) | $ (4,686)
Weighted- Average Pay Rate | 2.39% | 4.31%
Weighted- Average Receive Rate | 5.33% | 2.03%
Weighted- Average Remaining Term (in years) | 9 years 10 months 20 days | 1 year 7 months 20 days
Designated as hedge | Fair value hedges: | Receive fixed callable |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 4,181,077 | $ 2,764,577
Asset |  |
Fair value, asset | 0 | 461
(Liability) |  |
Fair value, liability | $ (179,299) | $ (174,757)
Weighted- Average Pay Rate | 5.26% | 4.21%
Weighted- Average Receive Rate | 3.06% | 1.98%
Weighted- Average Remaining Term (in years) | 2 years 4 months 13 days | 3 years 2 months 4 days
Designated as hedge | Cash flow hedges: | Pay fixed non-callable |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 563,000 | $ 588,000
Asset |  |
Fair value, asset | 27,510 | 27,275
(Liability) |  |
Fair value, liability | $ (372) | $ 0
Weighted- Average Pay Rate | 1.94% | 1.93%
Weighted- Average Receive Rate | 5.74% | 4.72%
Weighted- Average Remaining Term (in years) | 4 years 6 months 3 days | 5 years 18 days
No hedge designation | Receive fixed non-callable |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 851,146 | $ 287,750
Asset |  |
Fair value, asset | 69 | 0
(Liability) |  |
Fair value, liability | $ (3) | $ (130)
Weighted- Average Pay Rate | 5.34% | 4.31%
Weighted- Average Receive Rate | 4.51% | 1.16%
Weighted- Average Remaining Term (in years) | 8 months 12 days | 1 year 9 months 3 days
No hedge designation | Pay fixed non-callable |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 183,882 | $ 187,479
Asset |  |
Fair value, asset | 1,240 | 1,065
(Liability) |  |
Fair value, liability | $ (166) | $ (1)
Weighted- Average Pay Rate | 2.92% | 3.05%
Weighted- Average Receive Rate | 5.44% | 4.09%
Weighted- Average Remaining Term (in years) | 4 years 3 days | 4 years 6 months 7 days
No hedge designation | Basis swaps |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 895,384 | $ 1,860,384
Asset |  |
Fair value, asset | 58 | 112
(Liability) |  |
Fair value, liability | $ (625) | $ (456)
Weighted- Average Pay Rate | 5.43% | 4.40%
Weighted- Average Receive Rate | 5.45% | 4.42%
Weighted- Average Remaining Term (in years) | 3 years 10 months 20 days | 2 years 5 months 15 days
No hedge designation | Treasury futures |  |
Notional Disclosures [Abstract] |  |
Notional Amount | $ 11,900 | $ 6,800
Asset |  |
Fair value, asset | 81 | 0
Netting adjustments | (3,180) | (5,212)
(Liability) |  |
Fair value, liability | (12) | (142)
Netting adjustments | $ 3,180 | $ 5,212
Weighted- Average Forward Price (in dollars per share) | $ 108.64 | $ 114.38

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