Loans, Allowance for Loan Losses and Credit Quality (Details 6) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Summary of Troubled Debt Restructurings and other pertinent information
TDRS ON ACCRUAL STATUS	$ 46,823	$ 37,151
TDRS ON NONACCRUAL	5,962	9,230
TOTAL TDR'S	52,785	46,381
AMOUNT OF SPECIFIC RESERVES INCLUDED IN THE ALLOWANCE FOR LOAN LOSSES ASSOCIATED WITH TDRS:	2,189	1,887
ADDITIONAL COMMITMENTS TO LEND TO A BORROWER WHO HAS BEEN A PARTY TO A TDR:	$ 896	$ 693