DEPOSITS - Components of Interest Expense on Deposits (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Deposits [Line Items]
Interest expense on deposits	$ 17,705	$ 19,541	$ 53,969	$ 64,821
Amortization of broker placement fees	1,639	1,912	5,140	6,094
Interest expense on deposits	$ 19,344	$ 21,453	$ 59,109	$ 70,915