Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Interest Income
Interest and fees on loans	$ 47,905	$ 48,256
Interest on investment securities:
Taxable	2,438	2,565
Tax-exempt	1,564	1,485
Dividends on nonmarketable equity securities	151	130
Interest on deposits with the Federal Reserve Bank	321	228
Total interest income	52,379	52,664
Interest Expense
Interest on deposits	4,566	6,102
Interest on short-term borrowings	114	104
Interest on FHLB advances	47	263
Total interest expense	4,727	6,469
Net Interest Income	47,652	46,195
Provision for loan losses	3,000	5,000
Net interest income after provision for loan losses	44,652	41,195
Noninterest Income
Service charges and fees on deposit accounts	5,195	4,505
Wealth management revenue	3,445	2,921
Other charges and fees for customer services	4,651	3,365
Mortgage banking revenue	2,012	1,185
Gain on sale of investment securities	847	0
Gain on sale of merchant card services	0	1,280
Other	89	69
Total noninterest income	16,239	13,325
Operating Expenses
Salaries, wages and employee benefits	23,369	20,569
Occupancy	3,663	3,154
Equipment and software	3,450	3,118
Other	11,475	10,130
Total operating expenses	41,957	36,971
Income before income taxes	18,934	17,549
Federal income tax expense	5,700	5,175
Net Income	$ 13,234	$ 12,374
Net Income Per Common Share:
Basic (in dollars per share)	$ 0.48	$ 0.45
Diluted (in dollars per share)	$ 0.48	$ 0.45
Cash Dividends Declared Per Common Share (dollars per share)	$ 0.21	$ 0.20