NOTE 2 - INVESTMENT SECURITIES (Detail) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Available-for-sale Securities, Gross Realized Gains	$ 697,000	$ 859,000	$ 1,665,000	$ 859,000
Proceeds from Sale of Available-for-sale Securities	32,140,000	25,518,000	110,579,000	31,518,000
Available-for-sale Securities, Gross Realized Losses			9,000	10,000
Financial Instruments, Owned and Pledged as Collateral, at Fair Value	279,226,000		279,226,000		302,852,000
Financial Instruments, Owned, Corporate Debt, at Fair Value	$ 3,000,000		$ 3,000,000