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FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS (Tables) | 9 Months Ended
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Sep. 30, 2018
Banking and Thrift [Abstract] |
Summary of Advances from the FHLB | The following table presents the Company's advances from the FHLB as of the dates indicated:
($ in thousands) |  | September 30, 2018 |  | December 31, 2017
Fixed rate: |  |  |  |
Outstanding balance |  | $ | 905,000 |  |  | $ | 550,000 |
Interest rates ranging from |  | 1.60 | % |  | 1.23 | %
Interest rates ranging to |  | 3.32 | % |  | 3.00 | %
Weighted average interest rate |  | 2.47 | % |  | 2.02 | %
Variable rate: |  |  |  |
Outstanding balance |  | 735,000 |  |  | 1,145,000 |
Weighted average interest rate |  | 2.33 | % |  | 1.40 | %

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