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v3.22.2.2

Available-For-Sale And Held-To-Maturity Securities (Narrative) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 USD ($) | Sep. 30, 2022 USD ($) Security | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($)
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items] |  |  |  |
Accrued interest receivable |  | $ 54,800 |  | $ 27,400
Net realized gains (loss) resulting from sale of available-for-sale securities |  | 0 | $ 0 |
Transfers from available for sale securities to held to maturity | $ 312,900 |  |  |
Gain On Transfer Of securities | $ 0 |  |  |
Financial instruments pledged as collateral |  | $ 799,200 |  | 639,600
Number of available for sale securities whose amortized costs exceeded their fair values | Security |  | 278 |  |
Available-for-sale Securities, Continuous |  | $ 247,644 |  |
Available-for-sale Securities, Continuous Unrealized |  | 130,541 |  |
Available-for-sale Securities, Continuous |  | $ 1,607,551 |  |
Percentage of available-for-sale portfolio |  | 96.80% |  |
Pledged [Member] |  |  |  |
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items] |  |  |  |
Trading securities pledged |  | $ 1,100,000 |  | 1,200,000
Other Assets [Member] |  |  |  |
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items] |  |  |  |
Accrued interest receivable |  | $ 61,000 |  | $ 29,100

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