Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Interest income
Interest on loans	$ 49,514	$ 47,019	$ 147,111	$ 141,717
Taxable interest and dividends on securities	4,563	3,763	13,903	10,798
Nontaxable interest and dividends on securities	36	10	110	32
Interest on loans held for sale	159	156	306	661
Interest on federal funds sold and short-term investments	96	79	203	134
Total interest and dividend income	54,368	51,027	161,633	153,342
Interest expense
Interest on deposits	2,735	2,649	8,314	7,857
Interest on borrowings	2,070	3,182	7,095	9,812
Total interest expense	4,805	5,831	15,409	17,669
Net interest income	49,563	45,196	146,224	135,673
Provision for loan losses	1,901	2,650	8,653	7,050
Net interest income after provision for loan losses	47,662	42,546	137,571	128,623
Noninterest income
Deposit account fees	4,656	4,604	13,478	13,164
Interchange and ATM fees	3,375	2,845	9,672	7,934
Investment management	5,016	4,175	14,755	12,417
Mortgage banking income	1,015	1,843	2,379	5,794
Loan level derivative income	381	1,331	1,452	2,679
Increase in cash surrender value of life insurance policies	774	793	2,217	2,325
Gains (Losses) on Extinguishment of Debt	0	763	0	763
Gain Realized on Life Insurance Policies	0	0	1,964	0
Gain (Loss) on Sale of Equity Investments	67	0	138	(4)
Other noninterest income	1,814	1,776	5,414	5,473
Total noninterest income	17,098	18,130	51,469	50,545
Noninterest expenses
Salaries and employee benefits	23,651	22,654	69,574	66,963
Occupancy and equipment expenses	5,027	4,573	16,474	14,742
Data processing & facilities management	1,178	1,179	3,609	3,564
FDIC assessment	957	898	2,828	2,653
Advertising expense	1,179	759	3,252	3,410
Consulting expense	737	914	2,105	2,291
Debit Card Expense	552	766	1,694	2,209
Loss on termination of derivatives	0		1,122	0
Business Combination, Acquisition Related Costs	677	366	754	2,465
Software maintenance	579	599	1,850	1,878
Other noninterest expenses	8,070	8,014	24,212	25,630
Total noninterest expenses	42,607	40,722	127,474	125,805
Income before income taxes	22,153	19,954	61,566	53,363
Provision for income taxes	6,415	5,299	17,699	13,698
Net income	$ 15,738	$ 14,655	$ 43,867	$ 39,665
Basic earnings per share (in dollars per share)	$ 0.66	$ 0.64	$ 1.84	$ 1.73
Diluted earnings per share (in dollars per share)	$ 0.66	$ 0.64	$ 1.83	$ 1.73
Weighted average common shares (basic) (in shares)	23,911,678	22,946,308	23,876,391	22,886,521
Common shares equivalents (in shares)	90,685	100,806	95,320	72,799
Weighted average common shares (diluted) (in shares)	24,002,363	23,047,114	23,971,711	22,959,320
Cash dividends declared per common share (in dollars per share)	$ 0.24	$ 0.22	$ 0.72	$ 0.66