CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 33,777	$ 3,225	$ (91,213)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and accretion	8,994	8,778	8,281
Amortization of tax credits	848	1,085	1,320
Deferred income tax provision (benefit)	(21,661)	(2,540)	11,926
Amortization of intangibles	358	279	358
Provision for credit losses	8,133	18,652	90,057
Goodwill impairment	0	0	13,059
Decrease in accrued interest receivable	158	892	591
Decrease (increase) in other assets	1,740	30,070	(15,350)
Net other-than-temporary impairment losses on securities	179	0	192
Gains on sales of securities, net	(713)	(1,562)	(833)
Net loss on disposal of premises and equipment	1,219	61	186
Net other real estate owned valuation adjustments and loss (gain) on sales	3,236	4,415	26,953
Gains on sale of loans	(1,335)	(1,197)	(1,738)
Origination of loans held for sale	(40,815)	(34,927)	(66,485)
Proceeds from sales of loans held for sale	41,971	34,198	69,907
Increase (decrease) in interest payable	(2,164)	504	359
Increase (decrease) in other liabilities	(1,024)	1,294	3,345
Increase in cash surrender value of bank owned life insurance	(915)	(896)	(892)
Stock based compensation expense	1,899	2,089	1,520
Excess tax benefit associated with stock plans	(66)	0	0
Decrease (increase) in trading securities	61	(77)	815
Net cash provided by operating activities	33,880	64,343	52,358
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities of available for sale securities	298,490	288,050	69,140
Proceeds from sales of available for sale securities	45,283	77,551	36,189
Purchase of available for sale securities	(421,154)	(449,665)	(467,360)
Purchase of Federal Home Loan Bank stock	0	0	(1,305)
Investments in tax credits	0	0	(9)
Loans made to customers less than principal collected on loans	692	138,459	185,293
Proceeds from the sale of other real estate owned	27,062	38,106	68,670
Capital expenditures on other real estate owned	(528)	(3,234)	(4,881)
Capital expenditures on premises and equipment	(2,216)	(2,265)	(1,275)
Net cash provided (used) by investing activities	(52,371)	87,002	(115,538)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in demand, savings and interest bearing transaction accounts	84,050	42,752	182,273
Net decrease in time deposits	(102,294)	(249,114)	(59,768)
Proceeds from issuance of short-term borrowings	168,918	0	347,600
Repayment of short-term borrowings	(208,118)	(17,600)	(479,600)
Proceeds from issuance of long-term borrowings	120,000	4,400	192,240
Repayment of long-term borrowings	(129,399)	(81,500)	(20,000)
Proceeds from issuance of preferred stock, net of costs	0	0	139,248
Proceeds from secured borrowings	0	7,991	0
Proceeds from issuance of common stock-Rights Offering	0	10,000	0
Costs of issuance of common stock-Rights Offering	0	(650)	0
Proceeds from issuance of common stock-Discretionary Program	0	7,856	0
Costs of issuance of common stock-Discretionary Program	0	(817)	0
Activity in deferred compensation plan	(27)	262	(1)
Proceeds from issuance of common stock-Stock Options	80	4	0
Fractional share payment	(18)	0	0
Redemption of stock pursuant to stock plans	(531)	(35)	(22)
Excess tax benefits associated with stock plans	66	0	0
Cash dividends paid	0	0	(471)
Net cash provided (used) by financing activities	(67,273)	(276,451)	301,499
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(85,764)	(125,106)	238,319
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	177,991	303,097	64,778
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 92,227	$ 177,991	$ 303,097