Quarterly report pursuant to Section 13 or 15(d)

ACCOUNTING POLICIES (Details)

v3.7.0.1
ACCOUNTING POLICIES (Details) - USD ($)
$ in Thousands
 3 Months Ended
May 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Business Acquisition [Line Items]        
Goodwill   $ 298,191   $ 298,191
Affordable Housing Projects [Abstract]        
Affordable housing projects, recognized amortization   223 $ 130  
Affordable housing projects, tax credits   309 $ 210  
Affordable housing projects, investment amount   9,700   9,900
Affordable housing projects, liability   $ 7,100   $ 7,100
ODCM        
Business Acquisition [Line Items]        
Assets under management $ 300,000      
Acquisition date fair value of consideration transferred 9,100      
Cash paid in acquisition 4,100      
Stock issued 453      
Goodwill 4,700      
Acquired amortizable intangible assets $ 4,500      
Minimum | ODCM        
Business Acquisition [Line Items]        
Intangible assets, amortization period   5 years    
Maximum | ODCM        
Business Acquisition [Line Items]        
Intangible assets, amortization period   10 years