CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Interest income
Loans, including fees	$ 83,934	$ 92,941	$ 105,179
Securities
Taxable	12,510	16,040	18,830
Tax exempt	12,160	12,415	10,360
Other interest income	164	215	202
Total interest income	108,768	121,611	134,571
Interest expense
Deposits	7,637	14,111	23,162
Federal Home Loan Bank advances	5,120	5,754	8,144
Subordinated debentures	1,825	1,737	1,755
Other borrowings	104	161	258
Total interest expense	14,686	21,763	33,319
Net interest income	94,082	99,848	101,252
Provision for loan losses	9,850	17,800	35,250
Net interest income after provision for loan losses	84,232	82,048	66,002
Non-interest income
Service charges on deposit accounts	19,815	18,147	17,462
Interchange income	6,540	6,225	5,487
Mortgage banking	9,927	5,551	7,642
Trust and investment product fees	3,650	3,250	2,363
Increase in cash surrender value of life insurance	1,206	1,200	1,246
Net realized gains on securities	1,867	11,357	2,979
Gain/(loss) on sale and write-down of OREO	(1,359)	(2,744)	(1,097)
Other-than-temporary loss
Total impairment loss	(500)
Loss recognized in other comprehensive income	0
Net impairment loss recognized in earnings	(500)
Insurance commissions			1,711
Other income	2,745	2,322	3,498
Total non-interest income	43,891	45,308	41,291
Non-interest expense
Salaries and employee benefits	48,990	49,950	50,138
Net occupancy	6,769	6,686	6,654
Equipment	8,564	7,822	7,855
Intangibles amortization	1,835	1,939	2,066
Telecommunications	1,729	1,991	1,882
Stationery printing and supplies	1,337	1,510	1,478
FDIC assessment	2,495	3,974	4,940
Marketing	4,397	4,057	3,412
Collection expense	3,768	4,334	3,579
Prepayment penalty on FHLB advance	1,313
Consultant expense	1,150	6,547
Interchange expense	1,591	1,465	1,515
Other expenses	10,900	9,530	8,733
Total non-interest expense	94,838	99,805	92,252
Income before income tax	33,285	27,551	15,041
Income tax expense	6,027	3,738	239
Net income	27,258	23,813	14,802
Preferred dividends and discount accretion	(2,110)	(3,054)	(3,054)
Redemption of preferred stock	1,357
Net income attributable to common shareholders	$ 26,505	$ 20,759	$ 11,748
Cash dividends declared per common share (in dollars per share)	$ 0.08	$ 0.04	$ 0.04
Net income per common share:
Basic (in dollars per share)	$ 1.31	$ 1.03	$ 0.58
Diluted (in dollars per share)	$ 1.30	$ 1.03	$ 0.58