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Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2020 | Sep. 30, 2018
Cash Transactions: |  |  |  |  |
Interest paid | $ 341,042 | $ 181,254 |  |  |
Income Taxes Paid | 1,216 | 5,121 |  |  |
Operating lease payments | 9,142 | 4,700 |  |  |
Noncash Transactions: |  |  |  |  |
Loans charged-off to the allowance for credit losses | 20,832 | 14,022 |  |  |
Loans foreclosed upon and transferred to other real estate owned | 435 | 150 |  |  |
Available-for-sale securities transferred to held-to-maturity portfolio |  |  | $ 1,100,000 | $ 873,600 | $ 179,800
Right of use assets recognized during the period in exchange for lease obligations | $ 5,673 | $ 3,603 |  |  |

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