5. INVESTMENT SECURITIES (Detail) - (Table 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Asset-backed Securities, Securitized Loans and Receivables [Member] | Investment Securities Less Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	$ 19,482	$ 23,749
Investment Securities Unrealized Losses	(164)	(154)
Asset-backed Securities, Securitized Loans and Receivables [Member] | Investment Securities More Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	0	0
Investment Securities Unrealized Losses	0	0
Asset-backed Securities, Securitized Loans and Receivables [Member] | Total [ Member]
Debt securities:
Investment Securities Fair Value	19,482	23,749
Investment Securities Unrealized Losses	(164)	(154)
US Government Corporations and Agencies Securities [Member] | Investment Securities More Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	0
Investment Securities Unrealized Losses	0
Equity Securities, Industry [Member] | Investment Securities Less Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	2
Investment Securities Unrealized Losses	(3)
Equity Securities, Industry [Member] | Investment Securities More Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	0
Investment Securities Unrealized Losses	0
Equity Securities, Industry [Member] | Total [ Member]
Debt securities:
Investment Securities Fair Value	2
Investment Securities Unrealized Losses	(3)
Securities Investment [Member] | Investment Securities Less Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	19,484	23,749
Investment Securities Unrealized Losses	(167)	(154)
Securities Investment [Member] | Investment Securities More Than Twelve Months [Member]
Debt securities:
Investment Securities Fair Value	0	0
Investment Securities Unrealized Losses	0	0
Securities Investment [Member] | Total [ Member]
Debt securities:
Investment Securities Fair Value	19,484	23,749
Investment Securities Unrealized Losses	$ (167)	$ (154)