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SEGMENT REPORTING & DISCONTINUED OPERATIONS (Information About Reportable Segments and Reconciliation) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |
Net interest income | $ 137,381 | $ 136,601 | $ 409,694 | $ 402,743
Provision for credit losses | 6,558 | 9,100 | 100,954 | 18,192
Net interest income after provision for credit losses | 130,823 | 127,501 | 308,740 | 384,551
Noninterest income | 34,407 | 48,106 | 99,245 | 103,621
Income before income taxes | 0 | 56 | 0 | (173)
Income tax expense (benefit) | 0 | 14 | 0 | (45)
Income (loss) on discontinued operations | $ 0 | 42 | $ 0 | (128)
Mortgage | Discontinued Operations |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net interest income |  | 0 |  | 0
Provision for credit losses |  | 0 |  | 0
Net interest income after provision for credit losses |  | 0 |  | 0
Noninterest income |  | 0 |  | 1
Noninterest expenses |  | (56) |  | 174
Income before income taxes |  | 56 |  | (173)
Income tax expense (benefit) |  | 14 |  | (45)
Income (loss) on discontinued operations |  | $ 42 |  | $ (128)

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