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Investment Securities - Additional Information (Details) | 3 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($)
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items] |  |  |
Accrued interest receivable |  | $ 61,002,000 | $ 45,242,000
Reclassification of fair value from available of sale investment securities to held to maturity investment securities | $ 1,300,000,000 |  |
Reclassified unrealized after-tax losses | 176,700,000 |  |
Gains or Losses recognized at Reclassification | $ 0 |  |
Carrying Value Of Investment Securities Pledged |  | $ 4,100,000,000 | 2,900,000,000
Number of available for sale debt securities in unrealized loss positions | security |  | 402 |
Available-for-sale Securities |  |  |
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items] |  |  |
Accrued interest receivable |  | $ 11,700,000 | 8,400,000
Held-to-maturity Securities |  |  |
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items] |  |  |
Accrued interest receivable |  | $ 9,200,000 | $ 8,200,000

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- Definition The carrying value, as of the date of each statement of financial position presented, of investment securities, classified as available for sale or held to maturity, which are owned but transferred to serve as collateral to secure deposits of government entities and securities sold under agreements to repurchase, and payment of the related debt obligation, primarily a secured borrowing or repurchase agreement. + References No definition available. + Details
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- Definition Held to maturity securities fair value, reclassified unrealized after taxes losses. + References No definition available. + Details
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- Definition Reclassification from available for sale investment securities fair value to held to maturity securities fair value. + References No definition available. + Details
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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI https://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 + Details
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- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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