GOODWILL AND INTANGIBLE ASSETS AND MORTGAGE SERVICING RIGHTS (Detail Textuals) - Goodwill - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Goodwill And Intangible Assets And Mortgage Servicing Rights [Line Items]    
Carrying amount of goodwill $ 66.7 $ 0.8
Financial Advisor    
Goodwill And Intangible Assets And Mortgage Servicing Rights [Line Items]    
Additions to carrying amount related to acquisition 0.4  
Baylake Corp    
Goodwill And Intangible Assets And Mortgage Servicing Rights [Line Items]    
Goodwill related to the Baylake merger $ 65.5