CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest income:
Loans and leases	$ 40,318	$ 41,710	$ 80,214	$ 83,009
Investment securities, taxable	4,334	4,912	8,661	9,394
Investment securities, tax-exempt	848	1,004	1,700	2,190
Other	231	247	457	490
Total interest income	45,731	47,873	91,032	95,083
Interest expense:
Deposits	5,704	8,162	11,449	16,517
Short-term borrowings	47	74	100	163
Subordinated notes	1,648	1,648	3,295	3,295
Long-term debt and mandatorily redeemable securities	357	405	828	664
Total interest expense	7,756	10,289	15,672	20,639
Net interest income	37,975	37,584	75,360	74,444
Provision for loan and lease losses	2,055	67	4,309	2,265
Net interest income after provision for loan and lease losses	35,920	37,517	71,051	72,179
Noninterest income:
Trust fees	4,379	4,411	8,352	8,403
Service charges on deposit accounts	4,815	4,638	9,320	8,874
Mortgage banking income	1,502	835	3,444	1,279
Insurance commissions	1,211	1,062	2,568	2,204
Equipment rental income	4,666	6,009	10,016	12,047
Other income	3,209	3,327	6,210	6,298
Investment securities and other investment gains	8	1,142	403	1,272
Total noninterest income	19,790	21,424	40,313	40,377
Noninterest expense:
Salaries and employee benefits	20,370	19,135	40,686	37,773
Net occupancy expense	1,848	2,051	4,008	4,371
Furniture and equipment expense	3,831	3,561	7,338	6,910
Depreciation - leased equipment	3,803	4,795	8,114	9,600
Professional fees	1,449	1,080	2,847	2,176
Supplies and communication	1,385	1,316	2,778	2,710
FDIC and other insurance	854	958	1,803	2,634
Business development and marketing expense	1,050	864	1,917	1,486
Loan and lease collection and repossession expense	979	1,500	2,480	2,824
Other expense	1,009	683	2,655	3,935
Total noninterest expense	36,578	35,943	74,626	74,419
Income before income taxes	19,132	22,998	36,738	38,137
Income tax expense	6,565	8,133	12,456	12,664
Net income	$ 12,567	$ 14,865	$ 24,282	$ 25,473
Per common share
Basic net income per common share (in dollars per share)	$ 0.51	$ 0.61	$ 0.99	$ 1.04
Diluted net income per common share (in dollars per share)	$ 0.51	$ 0.61	$ 0.99	$ 1.04
Dividends (in dollars per share)	$ 0.16	$ 0.16	$ 0.32	$ 0.32
Basic weighted average common shares outstanding (in shares)	24,263,881	24,254,334	24,261,649	24,262,803
Diluted weighted average common shares outstanding (in shares)	24,273,898	24,263,596	24,272,423	24,271,527