Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income	$ 43,867	$ 39,665
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	8,451	6,268
Provision for loan losses	8,653	7,050
Deferred income tax expense	459	5
Net (gain) loss on sale of equity securities	(138)	4
Net loss on fixed assets	505	27
Gain on extinguishment of debt	0	(763)
Loss on termination of derivatives	1,122	0
Net loss on sale of other real estate owned and foreclosed assets	361	47
Realized gain on sale leaseback transaction	(775)	(775)
Stock based compensation	2,075	1,923
Excess tax benefit related to equity award activity	(438)	(412)
Increase in cash surrender value of life insurance policies	(2,213)	(2,325)
Gain Realized on Life Insurance Policies	1,964	0
Change in fair value on loans held for sale	(1)	(274)
Net change in:
Loans held for sale	(3,697)	37,794
Other assets	6,321	43,094
Increase (Decrease) in Other Operating Liabilities	(3,320)	(14,264)
Total adjustments	15,401	77,399
Net cash provided by operating activities	59,268	117,064
Cash flows used in investing activities
Proceeds from sales of securities available for sale	945	169
Proceeds from maturities and principal repayments of securities available for sale	35,936	69,732
Purchase of securities available for sale	(36,577)	(34,864)
Proceeds from maturities and principal repayments of securities held to maturity	32,864	39,713
Purchase of securities held to maturity	(54,681)	(179,226)
Redemption of Federal Home Loan Bank stock	6,693	3,093
Investment in Low Income Housing Projects	(5,566)	0
Purchase of life insurance policies	(10,116)	(219)
Proceeds from life insurance policies	6,309	0
Net increase in loans	(242,207)	(44,975)
Purchase of bank premises and equipment	(5,987)	(6,121)
Proceeds from the sale of bank premises and equipment	1,064	19
Payments on early termination of hedging relationship	1,122
Proceeds from the sale of other real estate owned and foreclosed assets	4,269	7,119
Payments to Develop Real Estate Assets	(1,772)	(2,035)
Net cash used in investing activities	(269,948)	(147,595)
Cash flows provided by financing activities
Net decrease in time deposits	(71,164)	(61,509)
Net increase in other deposits	387,180	272,141
Net repayments of short-term Federal Home Loan Bank borrowings	(75,000)	(6,507)
Repayments of long-term Federal Home Loan Bank borrowings	(5,000)	(73,134)
Net increase in customer repurchase agreements	3,904	10,821
Net decrease in other borrowings	(5,000)	(12,000)
Proceeds from exercise of stock options, net of cash paid	583	1,994
Restricted stock awards issued, net of awards surrendered	(643)	(669)
Excess tax benefit from stock based compensation	438	412
Tax benefit from deferred compensation distribution	134	105
Proceeds from shares issued under direct stock purchase plan	959	656
Common dividends paid	(16,704)	(10,070)
Net cash provided by financing activities	219,687	122,240
Net increase in cash and cash equivalents	9,007	91,709
Cash and cash equivalents at beginning of year	216,325	215,474
Cash and cash equivalents at end of period	225,332	307,183
Supplemental schedule of noncash investing and financing activities
Real Estate Owned, Transfer from Real Estate Owned	5,039	2,346
Capital commitment relating to Low Income Housing Project investments	$ 22,273	$ 0