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Allowance for Credit Losses - Troubled Debt Restructuring Disclosures Prior to Adoption of ASU 2022-02 (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Troubled debt restructuring modifications |  |
Aggregate commitments to extend credit, standby letters of credit and commercial letters of credit | $ 6,500,000 | $ 6,500,000
Commitments related to borrowers experiencing financial difficulty |  | 5,000
Other real estate owned and repossessed personal property |  |
Loans modified in TDRs that experienced a payment default |  |
Real estate property held from a foreclosed TDR | $ 0 | $ 0

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