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Basis of Presentation and Accounting Policies (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Apr. 01, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Accounting Policies [Abstract] |  |  |  |  |
Debt securities, available-for-sale transferred to held-to-maturity | $ 2,720,000 |  |  |  |
Net unamortized unrealized holding (losses) gains on available for sale investment securities transferred to held to maturity | $ 537,400 | $ 0 | $ 0 | $ (537,434) | $ 0

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- Definition Debt Securities, Available-For-Sale Transferred To Held-To-Maturity + References No definition available. + Details
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- Definition OCI, Debt Securities, Available-For-Sale, Unrealized Holding Gain (Loss), Transferred To Held-To-Maturity, Before Adjustment, After Tax + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration