5. INVESTMENT SECURITIES (Detail) - (Table 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Collateralized Debt Obligations [Member]
Debt securities:
Amortized Cost	$ 222,822	$ 195,444
Gross Unrealized Gains	3,467	5,661
Gross Unrealized Losses	(2,141)	(590)
Available-for-sale securities	224,148	200,515
US Government Corporations and Agencies Securities [Member]
Debt securities:
Amortized Cost	28,062	27,682
Gross Unrealized Gains	910	1,974
Gross Unrealized Losses	(151)
Available-for-sale securities	28,821	29,656
Corporate Bond Securities [Member]
Debt securities:
Amortized Cost	1,506	1,507
Gross Unrealized Gains	70	87
Available-for-sale securities	1,576	1,594
Equity Securities, Industry [Member]
Debt securities:
Amortized Cost	64	64
Gross Unrealized Gains	35	10
Available-for-sale securities	99	74
Securities Investment [Member]
Debt securities:
Amortized Cost	252,454	224,697
Gross Unrealized Gains	4,482	7,732
Gross Unrealized Losses	(2,292)	(590)
Available-for-sale securities	$ 254,644	$ 231,839

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

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