Consolidated Statements Of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating activities:
Net income	$ 21,030,000	$ 17,435,000	$ 16,187,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	(6,624,000)	(7,209,000)	3,107,000
Adjustments to other real estate	576,000	2,222,000	5,089,000
Deferred tax expense	9,180,000	10,220,000	8,939,000
Asset depreciation	2,829,000	2,450,000	2,460,000
Securities premium amortization, net of discount accretion	2,624,000	3,454,000	3,308,000
Amortization of intangibles	780,000	1,315,000	1,609,000
Goodwill impairment	0	0	0
Restricted stock amortization expense	210,000	742,000	115,000
Net gain on sales/calls of investment securities	(1,884,000)		(837,000)
Net gain on sales of mortgage loans	(1,549,000)	(2,649,000)	(3,133,000)
Net (gain) loss on sales of premises/equipment	19,000	195,000	(2,000)
Net gain on sales of other real estate	(200,000)	(3,897,000)	(301,000)
Net gain from sale of bank branches	(4,378,000)
Proceeds from sales of held for sale loans	83,258,000	121,020,000	150,621,000
Held for sale loans originated for resale	(75,887,000)	(129,699,000)	(148,479,000)
Net changes in assets and liabilities:
Accrued interest receivable	311,000	1,030,000	811,000
Other assets	(3,569,000)	5,969,000	1,847,000
Income taxes receivable / payable	(583,000)	24,618,000	4,074,000
Excess tax expense from share-based payment arrangements	(2,000)	(15,000)	67,000
Accrued interest payable	(76,000)	(284,000)	(2,573,000)
Other liabilities	638,000	(1,678,000)	2,225,000
Net cash provided by operating activities	26,703,000	45,239,000	45,134,000
Investing activities:
Proceeds from sales of available for sale securities	1,419,000	2,744,000	6,588,000
Held to maturity securities	2,250,000	5,000,000	2,375,000
Available for sale securities	79,282,000	108,498,000	88,109,000
Proceeds from sales of other investments			1,865,000
Redemptions of other investments	696,000	391,000	179,000
Purchases of held to maturity securities	(1,725,000)	(5,250,000)
Purchases of available for sale securities	(51,344,000)	(140,473,000)	(202,273,000)
Loans originated, net of principal repayments	(166,971,000)	113,588,000	382,669,000
Cash outflows from sale of bank branches, net	(94,806,000)
Purchases of premises and equipment	(2,096,000)	(1,855,000)	(1,619,000)
Proceeds from sales of premises and equipment	99,000	68,000	170,000
Proceeds from sales of other real estate	1,401,000	16,645,000	7,261,000
Net cash provided by (used in) investing activities	(231,795,000)	99,356,000	285,324,000
Financing activities:
Net increase (decrease) in deposits	80,488,000	(125,492,000)	(211,804,000)
Net increase (decrease) in other borrowings	(1,253,000)	10,270,000	13,883,000
Net proceeds from issuance of common stock	385,000	229,000	127,000
Repurchase of common stock warrant		(2,287,000)
Purchases of treasury stock	(10,302,000)
Redemptions of preferred stock			(70,000,000)
Redemption of trust preferred securities		(35,570,000)
Excess tax expense from share-based payment arrangements	2,000	15,000	(67,000)
Preferred stock dividends paid			(4,407,000)
Common stock dividends paid	(3,131,000)
Net cash used in financing activities	66,189,000	(152,835,000)	(272,268,000)
Net increase (decrease) in cash and cash equivalents	(138,903,000)	(8,240,000)	58,190,000
Cash and cash equivalents:
Beginning of period	279,839,000	288,079,000	229,889,000
End of period	$ 140,936,000	$ 279,839,000	$ 288,079,000