Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating Activities
Net income (loss)	$ 150,458	$ (1,483)	$ (40,005)
Net loss from discontinued operations	0	0	(27)
Net loss from continuing operations	150,458	(1,483)	(39,978)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:
Depreciation and amortization of premises and equipment	3,811	3,646	3,794
Provision for loan losses	(5,371)	523	14,049
Deferred income taxes	(142,492)	1,326	(1,039)
Deferred loan fees and costs, net	324	(251)	(2,714)
Premium amortization and discount accretion of investment securities, net	2,294	4,061	8,273
Net gain on sale of investment securities	(974)	(2,772)	(4,121)
Amortization of core deposit premiums	1,408	1,407	1,407
Net accretion of purchase accounting adjustments	(10,075)	(16,958)	(24,813)
Stock compensation expense	929	681	3
Increase in cash surrender value of bank-owned life insurance, net	(1,146)	(1,148)	(1,277)
Origination of loans held for sale	(59,470)	(114,104)	(86,611)
Net proceeds from sale of loans held for sale	59,103	121,080	80,975
Net gain on sale of loans held for sale	(593)	(1,838)	(1,338)
Mortgage servicing rights capitalized	(644)	(1,131)	(750)
Mortgage servicing rights impairment and amortization	470	305	24
Net gain on sale of premises and equipment	59	538	0
Net loss on sales and write-downs of other real estate owned	754	3,921	21,787
Changes in assets and liabilities:
(Increase) Decrease in accrued interest receivable and other assets	2,405	(293)	334
Decrease in accrued interest payable and other liabilities	(469)	(1,997)	(3,092)
Net cash used in operating activities of continuing operations	781	(4,487)	(35,087)
Net effect of discontinued operations	0	0	(874)
Net cash used in operating activities	781	(4,487)	(35,961)
Available-for-sale securities:
Proceeds from sales	37,239	177,826	212,609
Proceeds from maturities, calls and principal repayments	44,970	72,263	147,209
Purchases	0	(127,794)	(490,447)
Held-to-maturity securities:
Proceeds from maturities, calls and principal repayments	8,935	3,416	0
Purchases	0	(155,394)	0
Net (increase) decrease in loans held for investment	(139,711)	(28,776)	20,000
Proceeds from sales of other real estate owned	10,150	37,785	50,780
Improvements to other real estate owned	0	0	(26)
Adjustment to goodwill from valuation adjustment on acquired OREO	0	0	(300)
Purchases of premises and equipment	(2,001)	(3,326)	(2,889)
Proceeds from sales of premises and equipment	282	920	58
Net cash received in (paid for) acquisition	0	0	(911)
Net cash (used in) provided by investing activities	(40,136)	(23,080)	(63,917)
Financing Activities
Net decrease in deposits	45,715	(157,810)	(220,420)
Decrease in retail purchase agreements	2,159	(1,758)	(163)
Increase (Decrease) in Federal Home Loan Bank advances	(5,049)	14,955	(42)
Issuance of common stock, net of expense	24,982	0	6,694
Exercise of warrants related to stock offering	0	0	3
Net cash used in financing activities	67,807	(144,613)	(213,928)
Net (Decrease) Increase in Cash and Cash Equivalents	28,452	(172,180)	(313,806)
Cash and Cash Equivalents at Beginning of Period	67,430	239,610	553,416
Cash and Cash Equivalents at End of Period	95,882	67,430	239,610
Cash paid during the period for:
Interest	9,090	10,093	16,234
Income taxes, net of refunds	0	58	0
Noncash transactions:
Foreclosed loans transferred to other real estate owned	4,372	15,001	32,565
Loans to facilitate the sale of other real estate owned	1,699	7,696	7,211
Transfer of loans from held for investment to held for sale	0	0	600
Transfer of loans from held for sale to held for investment	0	0	3,885
Transfer of fixed assets to other assets	2,136	0	0
Urealized securities gains/(losses), net of income taxes	11,459	(18,126)	3,366
Employee benefit plan costs, net of income taxes	(1,005)	844	280
Unrealized loss on interest rate swap, net of income taxes	(324)	0	0
Reclass of warrant upon expiration of down-round term	$ (56)	$ 0	$ 0