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SEGMENT INFORMATION - Reconciliation of Reportable Segment Financial Information (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Net Income (Loss): |  |
Income before income taxes | $ 102,633 | $ 125,625
Income tax expense | 31,935 | 43,025
Net income | 70,698 | 82,600
Segment Reconciling Items [Member] |  |
Net Income (Loss): |  |
Segment income | 145,746 | 160,911
Other operating expenses | 43,113 | 35,286
Income before income taxes | 102,633 | 125,625
Income tax expense | 31,935 | 43,025
Net income | 70,698 | 82,600
Average assets: |  |
Total average earning assets for segments | 17,709,528 | 19,306,990
Average non-earning assets | 847,628 | 947,011
Total consolidated average assets | $ 18,557,156 | $ 20,254,001

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