CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash Flow From Operating Activities:
Net income	$ 45,122	$ 25,252	$ 6,909
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	18,534	22,630	46,483
Depreciation and amortization	4,472	5,158	5,702
Change in deferred taxes	15,890	8,256	(1,810)
Share-based compensation	1,492	1,315	1,750
Tax expense (benefit) from stock options exercised			50
Mortgage loans originated for sale	(393,565)	(297,031)	(254,712)
Proceeds from sales of mortgage loans	389,129	300,636	241,279
Gain on acquisition	(9,124)
Gains on sales of securities available for sale	(2,389)	(2,439)	(3,406)
Recognized loss on other-than-temporary-impairment		400	1,544
Change in interest receivable	1,884	951	2,144
Change in interest payable	(1,451)	(1,337)	(1,449)
Other adjustments	275	21,693	36,567
Net cash provided by operating activities	70,269	85,484	81,051
Cash Flows from Investing Activities:
Net change in interest-bearing deposits	14,408	12,365	8,809
Purchases of:
Securities available for sale	(139,555)	(200,688)	(311,465)
Securities held to maturity	(4,262)	(82,700)	(180,311)
Proceeds from sales of securities available for sale	52,350	75,930	117,804
Proceeds from maturities of:
Securities available for sale	112,141	60,459	65,688
Securities held to maturity	68,118	45,595	40,825
Change in Federal Reserve and Federal Home Loan Bank stock	246	2,614	4,692
Purchase of bank owned life insurance		(25,000)
Net change in loans	(123,036)	61,363	345,518
Net cash received from acquisition	29,113
Proceeds from the sale of other real estate owned	4,428	13,612	20,641
Other adjustments	(2,065)	8,287	(2,348)
Net cash provided by (used in) investing activities	11,886	(28,163)	109,853
Net change in :
Demand and savings deposits	228,725	68,803	84,993
Certificates of deposit and other time deposits	(142,906)	(203,028)	(352,649)
Borrowings	138,127	306,535	2,382
Repayment of borrowings	(271,005)	(252,509)	(65,247)
Dividends on common stock	(2,903)	(1,067)	(989)
Dividends on preferred stock	(4,539)	(3,662)	(4,931)
Stock issued in private equity placement		21,165	24,150
Stock issued under employee benefit plans	449	669	582
Stock issued under dividend reinvestment and stock purchase plans	202	89	91
Stock options exercised	78
Cumulative preferred stock issued (SBLF)		90,783
Cumulative preferred stock redeemed (CPP)		(69,600)
Repurchase of stock warrant (CPP)		(368)
Tax (expense) benefit from stock options exercised			(50)
Stock redeemed	(235)	(126)	(76)
Net cash used in financing activities	(54,007)	(42,316)	(311,744)
Net Change in Cash and Cash Equivalents	28,148	15,005	(120,840)
Cash and Cash Equivalents, January 1	73,312	58,307	179,147
Cash and Cash Equivalents, December 31	101,460	73,312	58,307
Additional cash flows information:
Interest paid	24,697	39,227	57,458
Income tax paid (refunded)	11,738	(2,977)	(17,674)
Exchange of preferred stock for trust preferred debt			46,400
Loans transferred to other real estate owned	4,441	14,188	32,950
Non-cash investing activities using trade date accounting	1,518
Liabilities assumed, net of cash	$ 166,112