Past Due Loans, Allowance For Credit Losses, Impaired Loans and TDRS (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Modifications [Line Items]
Accruing TDRs	$ 2,771,000	$ 3,704,000
Valuation allowance on TDR loans	769,000	1,800,000
Commitments To Lend Additional Funds TDRs	0	666,000
Special Mention and Substandard Loans
Financing Receivable, Modifications [Line Items]
Accruing TDRs	$ 870,000	$ 1,800,000