Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
NET INCOME	$ 17,628	$ 15,913
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization of premiums, discounts and deferred loan fees and costs	3,695	4,616
Depreciation and amortization	2,770	2,229
Provision for loan and lease losses	7,656	11,783
Loans originated for sale	(27,125)
Proceeds from sales of loans	29,368
Gains on securities	(506)	(273)
Gain on early debt extinguishment	(1,197)
Gains on sales of loans held for sale	(612)
Gains on leases		(365)
Gains on sales of other real estate and other repossessed assets	(277)	(240)
Gains on sales of premises and equipment	(68)	(2)
Stock-based compensation	669	559
Decrease in other assets	7,837	1,131
Increase in other liabilities	468	2,171
NET CASH PROVIDED BY OPERATING ACTIVITIES	40,306	37,522
CASH FLOWS FROM INVESTING ACTIVITIES
Net cash acquired in acquisition	74,316
Proceeds from repayments on and maturity of securities:
Available for sale	55,913	87,327
Held to maturity	20,397	24,640
Proceeds from sales of securities
Available for sale	53,670	53,718
Purchase of securities:
Available for sale	(144,004)	(97,545)
Held to maturity	(11,768)	(49,066)
Net (increase) decrease in Federal Home Loan Bank Stock	(90)	2,484
Net increase in loans and leases	(47,537)	(35,403)
Proceeds from sales of other real estate and repossessed assets	1,751	1,299
Capital expenditures	(1,986)	(7,549)
Proceeds from sales of bank premises and equipment	462	2
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	1,124	(20,093)
CASH FLOWS FROM FINANCING ACTIVITIES
Net increase in deposits	25,739	91,455
Decrease in federal funds purchased and securities sold under agreements to repurchase	(6,764)	(17,550)
Proceeds from other borrowings		280,000
Repayments of other borrowings	(10,000)	(340,000)
Early extinguishment of subordinated debentures	(7,803)
Redemption of preferred stock and common stock warrant		(21,800)
Proceeds from issuance of common stock, net of expenses		25,021
Excess tax benefits	27	18
Exercise of stock options	709
Issuance of stock to dividend reinvestment and stock purchase plan	145	141
Dividends paid	(5,774)	(4,221)
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(3,721)	13,064
Net increase in cash and cash equivalents	37,709	30,493
Cash and cash equivalents, beginning of period	107,545	72,558
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 145,254	$ 103,051