Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Operating Activities
Net loss	$ (34,172)	$ (36,738)	$ (41,178)
Adjustments to reconcile net loss to net cash provided by operating activities:
Amortization and accretion of investment securities premium (discount), net	1,013	1,083	2,814
Net (gain) loss on sale of investment securities	247	(6,579)	(8,661)
Net impairment losses on investment securities	408	568	440
Origination of loans held for sale	(898,960)	(961,947)	(780,100)
Proceeds from sale of loans held for sale	943,429	947,833	809,971
Net gain on sale of loans	(23,195)	(17,680)	(17,925)
Provision for credit losses	9,125	33,578	51,198
Provision for OREO losses	26,733	15,338	15,125
Loss provision on deposit method OREO property	3,301
Gain on sale of OREO	(6,876)	(6,118)	(3,640)
Depreciation and amortization	3,079	3,494	4,104
Loss on disposal of premises and equipment, net	651	677
Mortgage servicing rights impairment (recovery)	(403)	2,410	(97)
Impairment of real estate held for development and sale	535	87
Net gain on sale of branches			(7,350)
Stock-based compensation expense	55	256	305
Decrease in accrued interest receivable	2,512	4,278	3,805
(Increase) decrease in other assets	5,129	(1,749)	26,103
Increase in accrued interest and fees payable	17,963	15,001	8,198
Increase (decrease) in accrued taxes, insurance and employee related expenses	4	(224)	2,009
Increase (decrease) in other liabilities	(10,412)	13,668	(1,132)
Net cash provided by (used in) operating activities	40,166	7,236	63,989
Investing Activities
Proceeds from sale of investment securities	12,262	338,224	385,924
Proceeds from maturity of investment securities			69,526
Purchase of investment securities	(81,202)	(71,441)	(631,640)
Principal collected on investment securities	46,251	39,226	59,971
Decrease in loans held for investment	302,907	352,039	483,152
Purchases of premises and equipment	(434)	(1,590)	(1,394)
Proceeds from sale of premises and equipment			1,633
Proceeds from sale of OREO	54,498	70,481	42,359
Capitalized improvements of OREO	(300)		(946)
Proceeds from sale of real estate held for development and sale		173	587
FHLB stock redemption	10,162	19,037
Branch sales, net of cash and cash equivalents			(180,153)
Net cash provided by (used in) investing activities	344,144	746,149	229,019
Financing Activities
Decrease in deposits	(238,321)	(435,140)	(561,711)
Increase (decrease) in advance payments by borrowers for taxes and insurance	(1,555)	622	(1,494)
Proceeds from borrowed funds	92,694	1,656,057	2,275,515
Repayment of borrowed funds	(251,572)	(1,838,959)	(2,410,465)
Net cash provided by (used in) financing activities	(398,754)	(617,420)	(698,155)
Net increase (decrease) in cash and cash equivalents	(14,444)	135,965	(405,147)
Cash and cash equivalents at beginning of period	242,980	107,015	512,162
Cash and cash equivalents at end of period	228,536	242,980	107,015
Cash paid (received) or credited to accounts:
Interest on deposits and borrowings	21,091	40,328	73,619
Income tax payments (receipts)	(1,735)	10	(17,732)
Non-cash transactions:
Transfer of loans to OREO	75,169	76,742	88,169
Transfer of premises and equipment to OREO	558	1,093
Transfer of OREO to premises and equipment	$ 2,870