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SEGMENT INFORMATION - Reconciliation of Reportable Segment Financial Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Net Income (Loss): |  |
Income before income taxes | $ 97,413 | $ 102,633
Income tax expense | 23,955 | 31,935
Net income | 73,458 | 70,698
Segment Reconciling Items [Member] |  |
Net Income (Loss): |  |
Segment income | 141,875 | 145,746
Other operating expenses | 44,462 | 43,113
Income before income taxes | 97,413 | 102,633
Income tax expense | 23,955 | 31,935
Net income | 73,458 | 70,698
Average assets: |  |
Total average earning assets for segments | 18,022,985 | 17,709,528
Average non-earning assets | 835,314 | 847,628
Total consolidated average assets | $ 18,858,299 | $ 18,557,156

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