Derivative Instruments (Set Forth Terms Of Interest Rate Swap Derivative Instruments) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012
Interest Rate Swap December 31, 2013 [Member]
Derivative [Line Items]
Notional Amount	$ 30,234,000
Pay Fixed Rate	1.34%
Receive Variable Rate	0.362%
Maturity Date	Dec. 31, 2013
Interest Rate Swap June 30, 2016 [Member]
Derivative [Line Items]
Notional Amount	$ 83,883,000
Pay Fixed Rate	5.50%
Receive Variable Rate	3.55%
Maturity Date	Jun. 30, 2016