CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income	$ 22,502	$ 13,830
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	5,100	4,250
Net amortization of securities	739	986
Change in unamortized net loan costs and premiums	(2,890)	(461)
Premises and equipment depreciation and amortization expense	3,610	2,921
Stock-based compensation expense	1,812	895
Accretion of purchase accounting entries, net	(8,884)	(3,541)
Amortization of other intangibles	2,722	2,668
Excess tax loss from stock-based payment arrangements	(1,150)	(35)
Income from cash surrender value of bank-owned life insurance policies	(1,394)	(1,281)
Gain on sales of securities, net	(1,005)	(48)
Net decrease (increase) in loans held for sale	21,267	(9,561)
Loss on disposition of assets	1,596	1,527
(Gain) loss on sale of real estate	(67)	28
Net change in other	(938)	3,925
Net cash provided by operating activities	43,020	16,103
Cash flows from investing activities:
Net decrease in trading security	253	240
Proceeds from sales of securities available for sale	4,591	32,440
Proceeds from maturities, calls and prepayments of securities available for sale	66,176	47,006
Purchases of securities available for sale	(185,300)	(89,843)
Proceeds from maturities, calls and prepayments of securities held to maturity	2,493	25,775
Purchases of securities held to maturity	(1,073)	(8,685)
Net decrease (increase) in loans	120,860	(200,668)
Net cash used for Divestiture		(48,890)
Proceeds from sale of Federal Home Loan Bank stock	2,118	1,861
Purchase of premises and equipment, net	1,472	1,872
Acquisitions, net of cash paid		(58,150)
Proceeds from sale of other real estate	(7,280)	(11,604)
Net cash provided by (used in) investing activities	4,310	(308,646)
Cash flows from financing activities:
Net (decrease) increase in deposits	(283,650)	98,609
Proceeds from Federal Home Loan Bank advances and other borrowings	491,360	231,595
Repayments of Federal Home Loan Bank advances and other borrowings	(258,975)	(39,891)
Net proceeds from reissuance of treasury stock		271
Purchase of treasury stock	(8,868)
Exercise of stock options	2,582
Excess tax loss from stock-based payment arrangements	1,150	35
Common stock cash dividends paid	(9,068)	(7,372)
Net cash (used in) provided by financing activities	(65,469)	283,247
Net change in cash and cash equivalents	(18,139)	(9,296)
Cash and cash equivalents at beginning of year	98,244	75,782
Cash and cash equivalents at end of year	80,105	66,486
Supplemental cash flow information:
Interest paid on deposits	10,411	10,984
Interest paid on borrowed funds	7,018	4,146
Income taxes paid (refunded), net	978	(965)
Acquisition of non-cash assets and liabilities:
Assets acquired		342,786
Liabilities assumed	(919)	(253,155)
Other non-cash changes:
Other net comprehensive income	(3,231)	549
Real estate owned acquired in settlement of loans	$ 2,189	$ 320