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GOODWILL AND OTHER INTANGIBLE ASSETS, NET (Tables) | 6 Months Ended
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Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets |
($ in thousands) |  | Gross Carrying Value |  | Accumulated Amortization |  | Net Carrying Value
June 30, 2018 |  |  |  |  |  |
Core deposit intangibles |  | $ | 30,904 |  |  | $ | 23,221 |  |  | $ | 7,683 |
December 31, 2017 |  |  |  |  |  |
Core deposit intangibles |  | $ | 30,904 |  |  | $ | 21,551 |  |  | $ | 9,353 |
Estimated Future Amortization Expense | The following table presents estimated future amortization expenses as of June 30, 2018:
($ in thousands) |  | Remainder of 2018 |  | 2019 |  | 2020 |  | 2021 |  | 2022 and After |  | Total
Estimated future amortization expense |  | $ | 1,337 |  |  | $ | 2,195 |  |  | $ | 1,518 |  |  | $ | 1,081 |  |  | $ | 1,552 |  |  | $ | 7,683 |

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