Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
OPERATING ACTIVITIES
Net income (loss)	$ 21,093	$ (3,989)	$ (41,789)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	4,379	3,330	3,621
Amortization of intangible assets	1,011	999	617
Goodwill impairment charge			54,813
Net gains on securities available for sale	(238)	(200)	(871)
Stock based compensation expense	785	724	701
Net (gain) loss on sale or disposal of premises and equipment	(167)	(388)	144
Net loss on sale of other real estate owned	14,598	7,956	4,249
Gain on acquisitions	(26,867)	(14,651)	(38,566)
Provision for loan losses	32,729	50,521	42,068
Provision for deferred taxes	8,050	(1,788)	10,480
(Increase)/decrease in interest receivable	457	(1,724)	851
Increase/(decrease) in interest payable	(1,608)	1,534	(4,140)
Increase/(decrease) in taxes payable	11,077	(45)	(3,184)
Net increase in mortgage loans held for sale	(11,563)
(Increase)/decrease in prepaid FDIC assessments	4,289	4,709	(12,795)
Net other operating activities	(11,859)	(1,978)	7,749
Total adjustments	25,073	48,999	65,737
Net cash provided by operating activities	46,166	45,010	23,948
INVESTING ACTIVITIES, net of effects of business combinations
(Increase)/decrease in interest-bearing deposits in banks	37,290	92,636	(93,050)
Purchases of securities available for sale	(143,654)	(52,780)	(77,020)
Proceeds from maturities of securities available for sale	87,938	91,648	150,210
Proceeds from sale of securities available for sale	89,345	6,662	67,317
Decrease in restricted equity securities, net	2,562	834	2,398
(Increase)/decrease in federal funds sold	30	(3,220)	19,675
Decrease in loans, net	88,084	97,615	32,158
Purchases of premises and equipment	(12,023)	(5,061)	(6,884)
Proceeds from sale of premises and equipment	1,169	1,582	1,714
Proceeds from sale of other real estate owned	52,359	48,288	16,022
Decrease in FDIC indemnification asset	37,388	29,949
Net cash proceeds received from (paid for) FDIC-assisted acquisitions	38,017	(187,683)	67,942
Net cash provided by investing activities	278,505	120,470	180,482
FINANCING ACTIVITIES, net of effects of business combinations
Decrease in deposits	(255,848)	(255,160)	(131,973)
Increase/(decrease) in federal funds purchased and securities sold under agreements to repurchase	(30,519)	2,202	27,838
Repayment of other borrowings and debentures	(44,495)	(2,000)	(79,306)
Deferred gain on termination of interest rate swap			(2,739)
Cash dividends on preferred stock	(2,635)	(2,636)	(2,583)
Cash dividends on common stock		(21)	(1,375)
Proceeds from issuance of common stock		85,270
Proceeds from exercise of stock options	28	150	6
Purchase of treasury shares		(19)	(25)
Net cash used in financing activities	(333,469)	(172,214)	(190,157)
Net increase (decrease) in cash and due from banks	(8,798)	(6,734)	14,273
Cash and due from banks at beginning of period	74,326	81,060	66,787
Cash and due from banks at end of period	65,528	74,326	81,060
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Interest	29,155	28,260	44,690
Income taxes	(1,109)	(1,171)	(5,248)
NONCASH TRANSACTIONS
Loans transferred to other real estate owned	65,515	105,651	39,212
Assets acquired in business combinations	363,515	742,394	290,166
Liabilities assumed in business combinations	336,648	728,549	251,600
Change in unrealized gain (loss) on securities available for sale	4,627	(1,579)	(896)
Change in unrealized loss on cash flow hedge (interest rate floor)	(560)	(550)	(1,121)
Change in unrealized gain on cash flow hedge (interest rate swap)	$ (2,975)	$ 1,093	$ 2,739