DEPOSITS DEPOSITS (Maturities of Certificates of Deposit) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Banking and Thrift [Abstract]
Certificates which mature or reprice within one year or less	$ 955,924
Certificates which mature or reprice after one year through two years	200,547
Certificates which mature or reprice after two years through three years	75,171
Certificates which mature or reprice after three years through four years	27,421
Certificates which mature or reprice after four years through five years	25,523
Certificates which mature or reprice after five years	3,287
Total certificates of deposit	$ 1,287,873	$ 1,353,870