DEPOSITS (Deposit Liabilities Activities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deposit Activity [Roll Forward]
Balance at beginning of year	$ 3,557,804	$ 3,475,654	$ 3,591,198
Net increase (decrease) before interest credited	50,385	67,043	(141,708)
Interest credited	9,737	15,107	26,164
Net increase (decrease) in deposits	60,122	82,150	(115,544)
Balance at end of year	$ 3,617,926	$ 3,557,804	$ 3,475,654