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ACQUISITIONS, Supplemental Pro Forma Financial Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2015 | Sep. 30, 2016
Supplemental Pro Forma Financial Information [Abstract] |  |  |
Minimum assets for changes in effective tax rate |  |  | $ 8,000,000
Acquisition-related expenses excluded from pro forma information | $ 600 | $ 1,300 |
Total revenue, net of interest expense | 106,563 | 313,574 |
Net income | $ 25,350 | $ 73,813 |

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