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v3.23.3

Securities - Narrative (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) security | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) security | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) security
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |  |  |
AFS and HTM, accrued interest | $ 42,600,000 |  | $ 42,600,000 |  | $ 41,800,000
Number of available-for-sale debt securities in an unrealized loss position | security | 567 |  | 567 |  | 559
Debt Securities, AFS, allowance for credit loss | $ 0 |  | $ 0 |  | $ 0
Provision (reversal of provision) for credit losses | 0 | $ 0 | 0 | $ 0 |
HTM securities allowance for credit loss | 0 |  | 0 |  | 0
Asset Pledged as Collateral |  |  |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |  |  |
AFS and HTM debt securities carrying value | $ 7,040,000,000.00 |  | $ 7,040,000,000.00 |  | $ 794,200,000
U.S. government agency and U.S. government sponsored enterprise mortgage-backed securities |  |  |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 269 |  | 269 |  | 263
Non-agency mortgage-backed securities |  |  |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 99 |  | 99 |  | 100
Corporate debt securities |  |  |  |  |
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |  |  |
Number of available-for-sale debt securities in an unrealized loss position | security | 66 |  | 66 |  | 68

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