DEPOSIT LIABILITIES (Detail) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Deposits	$ 1,600,000,000	$ 1,700,000,000
Interest Expense, Deposits	$ 51,300,000	$ 54,400,000	$ 36,200,000