Financial Derivatives (Schedule Of Derivative Instruments Subject To Master Netting Arrangement Or Repurchase Agreement) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Sep. 30, 2015
Financial Derivatives [Abstract]
Gross Amounts of Recognized Liabilities	$ 191
Gross Amounts Offset in the Statements of Condition
Net Amounts of Liabilities Presented in the Statements of Condition	$ 191
Gross Amounts Not Offset in the Statements of Condition, Financial Instruments	$ 191
Gross Amounts Not Offset in the Statements of Condition, Cash Collateral Pledged
Gross Amounts Not Offset in the Statements of Condition, Net Amount