INTANGIBLE ASSETS (Loan Servicing Portfolio) (Details) - Servicing Contracts [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Principal Amount Outstanding of Loans Held-in-portfolio [Roll Forward]    
Balance, beginning of period $ 894,767 $ 433,153
Additions 1,236,145 519,915
Payoffs, sales and curtailments (132,639) (58,301)
Balance, end of period $ 1,998,273 $ 894,767