CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Statement of Other Comprehensive Income [Abstract]
NET INCOME	$ 15,620	$ 6,030	$ 50,194	$ 387
OTHER COMPREHENSIVE INCOME, NET OF INCOME TAXES:
Unrealized holding gain during the period, net of deferred income tax provision of $228, $0, $179 and $0, respectively	422	651	335	1,940
Amortization of unrealized gain on tax exempt securities transferred from available-for-sale to held-to-maturity	2	3	7	12
Other comprehensive income	424	654	342	1,952
COMPREHENSIVE INCOME	$ 16,044	$ 6,684	$ 50,536	$ 2,339