Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS (Narrative) (Details)

v3.10.0.1
INTANGIBLE ASSETS (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jul. 01, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Finite-Lived Intangible Assets [Line Items]          
Goodwill, written off related to sale of business unit   $ 864      
Intangible assets, amortization expense   3,490 $ 1,480 $ 9,885 $ 4,661
Minimum | Outfitter Advisors Ltd.          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization period 1 year        
Maximum | Outfitter Advisors Ltd.          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization period 14 years        
Core Deposits and Other Intangible Assets          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization expense   $ 3,500 $ 1,500 $ 9,900 $ 4,700
Core Deposits and Other Intangible Assets | Minimum          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization period       4 years  
Core Deposits and Other Intangible Assets | Maximum          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization period       14 years  
Other amortizable intangibles | Minimum          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization period       5 years  
Other amortizable intangibles | Maximum          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, amortization period       16 years