DEPOSITS DEPOSITS (Maturities of Certificates of Deposit) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Banking and Thrift [Abstract]
Certificates which mature or reprice within one year or less	$ 834,884
Certificates which mature or reprice after one year through two years	168,280
Certificates which mature or reprice after two years through three years	58,126
Certificates which mature or reprice after three years through four years	27,890
Certificates which mature or reprice after four years through five years	30,226
Certificates which mature or reprice after five years	3,605
Total certificates of deposit	$ 1,123,011	$ 1,353,870