Consolidated Statements of Income (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Interest, fee, and dividend income
Interest and fees on loans	$ 59,873	$ 60,559	$ 119,391	$ 120,574
Securities available for sale	5,144	6,612	10,089	13,369
Securities held to maturity	2,315	783	4,598	1,551
Other	395	502	875	1,039
Total interest, fee, and dividend income	67,727	68,456	134,953	136,533
Interest expense
Deposits	3,517	3,000	7,090	6,284
Short-term borrowings	144	209	265	440
Long-term debt	836	2,135	1,662	4,642
Junior subordinated debt	545	538	1,085	1,076
Total interest expense	5,042	5,882	10,102	12,442
Net interest income	62,685	62,574	124,851	124,091
Provision for loan losses	3,898	4,166	7,540	7,762
Net interest income after provision for loan losses	58,787	58,408	117,311	116,329
Noninterest income
Insurance and other financial services revenue	5,836	5,594	12,210	12,331
Service charges on deposit accounts	4,285	4,397	8,357	8,766
ATM and debit card fees	4,679	4,357	8,927	8,429
Retirement plan administration fees	3,566	2,977	6,762	5,895
Trust	5,196	4,953	9,646	9,399
Bank owned life insurance	928	978	2,487	2,360
Net securities gains	26	14	40	21
Gain on the sale of equity investment	0	19,401	0	19,401
Other	3,699	3,356	6,320	5,702
Total noninterest income	28,215	46,027	54,749	72,304
Noninterest expense
Salaries and employee benefits	30,831	31,142	61,013	60,676
Occupancy	5,412	5,435	11,478	11,661
Data processing and communications	4,288	4,015	8,391	8,016
Professional fees and outside services	3,395	3,752	6,892	7,167
Equipment	3,316	3,132	6,565	6,248
Office supplies and postage	1,627	1,803	3,246	3,488
FDIC expenses	1,280	1,229	2,478	2,507
Advertising	734	726	1,453	1,465
Amortization of intangible assets	1,187	1,236	2,471	2,546
Loan collection and other real estate owned	22	801	894	1,841
Prepayment penalties on long-term debt	0	4,554	0	4,554
Other	5,872	4,911	10,785	10,084
Total noninterest expense	57,964	62,736	115,666	120,253
Income before income tax expense	29,038	41,699	56,394	68,380
Income tax expense	9,757	14,059	18,947	22,731
Net income	$ 19,281	$ 27,640	$ 37,447	$ 45,649
Earnings per share
Basic (in dollars per share)	$ 0.44	$ 0.63	$ 0.85	$ 1.04
Diluted (in dollars per share)	$ 0.43	$ 0.62	$ 0.84	$ 1.03