Loans, Allowance for Loan Losses and Credit Quality (Details 6) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Summary of Troubled Debt Restructurings and other pertinent information
TDRS ON ACCRUAL STATUS	$ 41,682	$ 46,764
TDRS ON NONACCRUAL	8,748	6,554
TOTAL TDR'S	50,430	53,318
AMOUNT OF SPECIFIC RESERVES INCLUDED IN THE ALLOWANCE FOR LOAN LOSSES ASSOCIATED WITH TDRS:	2,562	3,049
ADDITIONAL COMMITMENTS TO LEND TO A BORROWER WHO HAS BEEN A PARTY TO A TDR:	$ 2,172	$ 1,847

Additional commitments to lend to a borrower for trouble debt restructuring.

No definition available.

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Amount of specific reserves included in the allowance for loan losses associated with trouble debt restructuring.

No definition available.

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Financing receivable recorded investment trouble debt restructuring.

No definition available.

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Troubled Debt Restructurings recorded investment that are on accrual status as of the balance sheet date.

No definition available.

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Troubled Debt Restructurings recorded investment that are on nonaccrual status as of the balance sheet date.

No definition available.

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