Derivative Instruments (Set Forth Terms Of Interest Rate Swap Derivative Instruments) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013
Interest Rate Swap December 31, 2013 [Member]
Derivative [Line Items]
Notional Amount	$ 27,656,000
Pay fixed rate	1.44%
Receive Variable Rate	0.284%
Maturity Date	Dec. 31, 2013
Interest Rate Swap June 30, 2016 [Member]
Derivative [Line Items]
Notional Amount	$ 81,711,000
Pay fixed rate	5.50%
Receive Variable Rate	3.05%
Maturity Date	Jun. 30, 2016