CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Sep. 30, 2011	Sep. 30, 2010
NET INCOME (LOSS)	$ 15,572	$ 28,813	$ (41,186)	$ (36,789)
OTHER COMPREHENSIVE INCOME (LOSS)
Unrealized gain (loss) on securities available for sale, net of taxes of $(170), $3,386, $1,350 and $(720), respectively	(8,706)	4,227	(2,045)	1,822
Reclassification of net gains to net income	0	(3,877)	(1,419)	0
Change in pension liability, net of taxes of $0, $0, $165 and $63, respectively	0	(20)	(425)	(248)
Other-than-temporary impairment	180	503	879	2,853
	(8,526)	833	(3,010)	4,427
Less: Reclassification of other-than-temporary impairment included in net income (loss) for the period	(180)	(503)	(879)	(2,853)
Tax (expense) benefit	3,386	(170)	1,515	(657)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX	(5,320)	160	(2,374)	917
TOTAL COMPREHENSIVE INCOME (LOSS)	$ 10,252	$ 28,973	$ (43,560)	$ (35,872)