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v3.22.2.2

Investment Securities (Narrative) (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |
Percentage decrease requiring a review for impairment | 20.00% |  |
Fair value of securities on impairment watch list | $ 1,300,000 |  | $ 13,400
Debt Securities, Available-for-sale, Unrealized Loss Position | 12,480,855 |  | 9,047,662
Unrealized Loss on AFS Debt Securities | 1,544,388 |  | 132,929
AFS securities in loss position at period-end, change in unrealized loss | 1,400,000 |  |
Securities pledged as collateral | $ 4,800,000 |  | 6,400,000
Number of investments in a single issuer that exceed 10% of stockholder's equity | 0 |  |
No investment in a single issuer exceeds this percentage of stockholder's equity | 10.00% |  |
Asset Pledged as Collateral with Right |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Securities pledged as collateral, amount eligible to be repledged by Counterparty | $ 208,300 |  |
U.S. government and federal agency obligations |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
U.S. Treasury inflation-protected securities held, at fair value | 368,700 |  |
Debt Securities, Available-for-sale, Unrealized Loss Position | 978,865 |  | 296,492
Unrealized Loss on AFS Debt Securities | 48,660 |  | $ 2,241
Available-for-sale Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Available-for-sale Securities, Losses realized on sales | (20,274) | $ 0 |
Equity Securities [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Equity Securities, FV-NI, Unrealized Gain (Loss) | (1,048) | 152 |
Other Investments [Member] |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Other Securities, Loss realized on sales | (4,313) | 0 |
Fair value other securities adjustments, net | $ 37,133 | $ 38,002 |

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