GOODWILL AND INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Details 1) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Finite-Lived Intangible Assets [Line Items] | |||
| Amortization during the period | $ 3,458 | $ 1,027 | $ 1,209 |
| Core deposits | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Gross carrying amount | 25,345 | 8,086 | |
| Accumulated amortization | (8,244) | (5,055) | |
| Net book value | 17,101 | 3,031 | |
| Additions during the period | 17,259 | ||
| Amortization during the period | 3,189 | 1,027 | |
| Customer list intangibles | |||
| Finite-Lived Intangible Assets [Line Items] | |||
| Gross carrying amount | 4,363 | ||
| Accumulated amortization | (269) | ||
| Net book value | 4,094 | ||
| Additions during the period | 4,363 | ||
| Amortization during the period | $ 269 | ||