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Summary of Significant Accounting Policies - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Mar. 31, 2022 | Mar. 31, 2020 | Sep. 30, 2018 | Sep. 30, 2025 | Sep. 30, 2024
Cash Transactions: |  |  |  |  |  |  |
Interest paid |  |  |  |  |  | $ 949,817 | $ 1,018,706
Income Taxes Paid |  |  |  |  |  | 68,699 | 30,047
Operating lease payments |  |  |  |  |  | 34,323 | 28,444
Noncash Transactions: |  |  |  |  |  |  |
Loans charged-off to the allowance for credit losses | $ 22,088 | $ 23,139 |  |  |  | 63,118 | 72,773
Loans foreclosed upon and transferred to other real estate owned |  |  |  |  |  | 7,302 | 435
Loans Foreclosed Upon Transferred To Other Assets |  |  |  |  |  | 185 | 197
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 |  |  |  |  |  | $ 102,296 | $ 24,064

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