CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 10,465	$ 5,844
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,400	2,000
Net amortization of securities	354	488
Change in unamortized net loan costs and premiums	(511)	(135)
Premises and equipment depreciation and amortization expense	1,725	1,441
Stock-based compensation expense	881	466
Accretion of purchase accounting entries	(4,659)	(1,248)
Amortization of other intangibles	1,377	1,311
Excess tax loss from stock-based payment arrangements	(479)	(18)
Income from cash surrender value of bank-owned life insurance policies	(695)	(643)
Gain on sales of securities, net	(1)	(41)
Net (increase) decrease in loans held for sale	13,020	1,455
Loss on disposition of assets	1,596	1,527
(Gain) loss on sale of real estate	(115)	40
Net change in other	(3,072)	792
Net cash provided by operating activities	22,286	13,279
Cash flows from investing activities:
Net decrease in trading security	128	120
Proceeds from sales of securities available for sale		3,040
Proceeds from maturities, calls and prepayments of securities available for sale	37,481	23,190
Purchases of securities available for sale	(129,806)	(29,208)
Proceeds from maturities, calls and prepayments of securities held to maturity	882	1,436
Purchases of securities held to maturity	(329)	(2,057)
Net change in loans	100,676	(83,636)
Net cash used for Divestiture		(48,890)
Proceeds from sale of Federal Home Loan Bank stock	1,915	1,836
Purchase of premises and equipment, net	(5,094)	(4,468)
Proceeds from sale of other real estate	449	1,671
Net cash provided by (used in) investing activities	6,302	(136,966)
Cash flows from financing activities:
Net increase in deposits	1,049	82,475
Proceeds from Federal Home Loan Bank advances and other borrowings	90,015	44,360
Repayments of Federal Home Loan Bank advances and other borrowings	(138,873)	(30,058)
Net proceeds from reissuance of treasury stock		16
Purchase of treasury stock	(2,434)
Exercise of stock options	1,827
Excess tax loss from stock-based payment arrangements	479	18
Common stock cash dividends paid	(4,564)	(3,603)
Net cash (used in) provided by financing activities	(52,501)	93,208
Net change in cash and cash equivalents	(23,913)	(30,479)
Cash and cash equivalents at beginning of year	98,244	75,782
Cash and cash equivalents at end of year	74,331	45,303
Supplemental cash flow information:
Interest paid on deposits	5,330	5,539
Interest paid on borrowed funds	3,440	2,025
Income taxes paid, net	638	1,233
Acquisition of non-cash assets and liabilities:
Liabilities assumed	(330)
Other non-cash changes:
Other net comprehensive income	1,308	993
Real estate owned acquired in settlement of loans	$ 918	$ 250