Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest income
Interest on loans	$ 49,393	$ 47,720	$ 97,597	$ 94,699
Taxable interest and dividends on securities	4,690	3,506	9,340	7,035
Nontaxable interest and dividends on securities	37	11	74	22
Interest on loans held for sale	96	237	147	505
Interest on federal funds sold	69	21	106	55
Total interest and dividend income	54,285	51,495	107,264	102,316
Interest expense
Interest on deposits	2,789	2,543	5,579	5,208
Interest on borrowings	2,443	3,337	5,026	6,630
Total interest expense	5,232	5,880	10,605	11,838
Net interest income	49,053	45,615	96,659	90,478
Provision for loan losses	2,250	3,100	6,752	4,400
Net interest income after provision for loan losses	46,803	42,515	89,907	86,078
Noninterest income
Deposit account fees	4,463	4,343	8,821	8,559
Interchange and ATM fees	3,322	2,761	6,298	5,089
Investment management	5,136	4,357	9,739	8,242
Mortgage banking income	877	1,669	1,364	3,951
Loan level derivative income	324	816	1,070	1,348
Increase in cash surrender value of life insurance policies	721	786	1,443	1,531
Gain on life insurance benefits	337	0	1,964	0
Gain (Loss) on Sale of Equity Investments	(20)	4	71	(4)
Other noninterest income	1,697	1,956	3,602	3,698
Total noninterest income	16,857	16,692	34,372	32,414
Noninterest expenses
Salaries and employee benefits	22,843	21,594	45,923	44,309
Occupancy and equipment expenses	5,301	4,919	11,447	10,169
Data processing & facilities management	1,179	1,201	2,432	2,385
FDIC assessment	966	934	1,871	1,755
Advertising expense	1,249	1,479	2,073	2,652
Consulting expense	810	666	1,368	1,377
Debit Card Expense	528	773	1,143	1,443
Legal Fees	319	743	850	1,245
Loss on termination of derivatives	1,122		1,122	0
Business Combination, Acquisition Related Costs		754	77	2,099
Mortgage operations expense	501	715	838	1,059
Software Maintenance	608	597	1,271	1,279
Other noninterest expenses	7,554	7,789	14,451	15,311
Total noninterest expenses	42,980	42,164	84,866	85,083
Income before income taxes	20,680	17,043	39,413	33,409
Provision for income taxes	5,934	4,285	11,284	8,399
Net income	$ 14,746	$ 12,758	$ 28,129	$ 25,010
Basic earnings per share (in dollars per share)	$ 0.62	$ 0.56	$ 1.18	$ 1.09
Diluted earnings per share (in dollars per share)	$ 0.61	$ 0.56	$ 1.17	$ 1.09
Weighted average common shares (basic) (in shares)	23,897,413	22,888,155	23,858,456	22,856,132
Common shares equivalents (in shares)	94,560	52,144	97,544	49,104
Weighted average common shares (diluted) (in shares)	23,991,973	22,940,299	23,956,000	22,905,236
Cash dividends declared per common share (in dollars per share)	$ 0.24	$ 0.22	$ 0.48	$ 0.44