CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
INTEREST AND DIVIDEND INCOME:
Loans, including related fees	$ 91,392	$ 96,206	$ 94,930
Securities:
Taxable	16,161	18,597	22,755
Tax-exempt	6,779	6,664	6,604
Other	2,009	2,115	1,966
TOTAL INTEREST AND DIVIDEND INCOME	116,341	123,582	126,255
INTEREST EXPENSE:
Deposits	12,127	16,306	21,544
Short-term borrowings	187	325	541
Other borrowings	4,833	10,335	17,176
TOTAL INTEREST EXPENSE	17,147	26,966	39,261
NET INTEREST INCOME	99,194	96,616	86,994
Net Provision for loan losses	5,755	9,200	11,870
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	93,439	87,416	75,124
NON-INTEREST INCOME:
Trust and financial services	4,544	4,547	4,197
Service charges and fees on deposit accounts	8,995	10,342	11,082
Other service charges and fees	8,289	7,759	7,026
Securities gain, net	6	1,321	4
Other-than-temporary loss
Total impairment loss	(110)	(4,260)	(18,939)
Loss recognized in other comprehensive income			8,170
Net impairment loss recognized in earnings	(110)	(4,260)	(10,769)
Insurance commissions	7,347	6,759	6,464
Gain on sale of mortgage loans	1,957	2,206	2,291
Gain on sale of credit card loans			2,549
Gain on bargain purchase			5,057
Other	2,312	1,123	631
TOTAL NON-INTEREST INCOME	33,340	29,797	28,532
NON-INTEREST EXPENSES:
Salaries and employee benefits	45,362	44,887	42,259
Occupancy expense	4,777	4,707	4,534
Equipment expense	4,352	4,761	4,640
Federal Deposit Insurance	1,804	2,847	3,277
Other	18,892	20,000	18,671
TOTAL NON-INTEREST EXPENSE	75,187	77,202	73,381
INCOME BEFORE INCOME TAXES	51,592	40,011	30,275
Provision for income taxes	14,397	11,967	7,555
NET INCOME	37,195	28,044	22,720
OTHER COMPREHENSIVE INCOME
Change in unrealized gains/losses on securities, net of reclassifications and taxes	8,857	449	10,869
Change in funded status of post retirement benefits, net of taxes	(9,982)	(1,914)	(2,494)
COMPREHENSIVE INCOME	$ 36,070	$ 26,579	$ 31,095
EARNINGS PER SHARE:
BASIC AND DILUTED (in dollars per share)	$ 2.83	$ 2.14	$ 1.73
Weighted average number of shares outstanding (in thousands) (in shares)	13,163	13,120	13,119