GOODWILL AND INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Details 3) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Core deposits    
Finite-Lived Intangible Assets [Line Items]    
2017 $ 3,805  
2018 3,254  
2019 2,762  
2020 2,156  
2021 1,763  
Thereafter 3,361  
Net book value 17,101 $ 3,031
Customer list intangibles    
Finite-Lived Intangible Assets [Line Items]    
2017 385  
2018 385  
2019 385  
2020 385  
2021 385  
Thereafter 2,169  
Net book value 4,094
MSR Assets    
Finite-Lived Intangible Assets [Line Items]    
2017 316  
2018 316  
2019 316  
2020 300  
2021 176  
Thereafter 498  
Net book value $ 1,922