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SEGMENT INFORMATION - Reconciliation of Reportable Segment Financial Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Net Income (Loss): |  |  |  |
Income (loss) before income taxes | $ 48,655 | $ (19,150) | $ 130,752 | $ 35,606
Income tax (expense) benefit | (12,332) | 8,398 | (30,249) | 7,181
Net income | 36,323 | (10,752) | 100,503 | 42,787
Segment Reconciling Items [Member] |  |  |  |
Net Income (Loss): |  |  |  |
Total income for segments and other | 75,047 | 7,122 | 211,016 | 112,888
Other operating expenses | (26,392) | (26,272) | (80,264) | (77,282)
Income (loss) before income taxes | 48,655 | (19,150) | 130,752 | 35,606
Income tax (expense) benefit | (12,332) | 8,398 | (30,249) | 7,181
Net income | 36,323 | (10,752) | 100,503 | 42,787
Average assets: |  |  |  |
Total average earning assets for segments | 11,298,071 | 11,083,964 | 11,297,409 | 11,019,249
Average non-earning assets | 929,362 | 900,334 | 945,671 | 896,071
Total consolidated average assets | $ 12,227,433 | $ 11,984,298 | $ 12,243,080 | $ 11,915,320

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