PREMISES AND EQUIPMENT - Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Property, Plant and Equipment [Line Items] | |||
| Property, Plant and Equipment, Gross | $ 137,080 | $ 117,504 | |
| Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment | 60,654 | 54,531 | |
| Net | 76,426 | 62,973 | |
| Depreciation expense | 7,289 | 6,410 | $ 5,886 |
| Land | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, Plant and Equipment, Gross | 18,662 | 15,491 | |
| Buildings | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, Plant and Equipment, Gross | 68,584 | 58,175 | |
| Furniture and equipment | |||
| Property, Plant and Equipment [Line Items] | |||
| Property, Plant and Equipment, Gross | $ 49,834 | $ 43,838 | |