DEPOSITS (Maturities and Weighted Average Interest Rates of Certificates of Deposit) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Maturities of Time Deposits [Abstract]
Maturing in one year or less	$ 660,394	$ 759,626
Maturing after one year through two years	117,789	153,371
Maturing after two years through three years	47,362	56,419
Maturing after three years through four years	26,443	29,571
Maturing after four years through five years	17,075	26,782
Maturing after five years	3,632	3,524
Total certificates of deposit	$ 872,695	$ 1,029,293
Weighted Average Rate [Abstract]
Maturing in one year or less	0.47%	0.64%
Maturing after one year through two years	1.05%	1.05%
Maturing after two years through three years	1.34%	1.72%
Maturing after three years through four years	1.56%	1.78%
Maturing after four years through five years	1.34%	1.59%
Maturing after five years	1.78%	2.66%
Total certificates of deposits	0.65%	0.82%