Derivatives And Hedging Activity (Narrative) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Derivative [Line Items]
Ineffectiveness related to the interest rate derivatives	$ 0
Interest expense	1,069,000	$ 1,260,000
Interest Rate Derivatives [Member]
Derivative [Line Items]
Interest expense	0	$ 100,000
Notional amount terminated prior to maturity	15,000,000
New Contracts [Member]
Derivative [Line Items]
Notional amount	$ 15,000,000
Derivative maturity	3 years