Derivative Instruments (Set Forth Terms Of Interest Rate Swap And Cap Derivative Instruments) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Notional amount	$ 59,913	$ 59,913
Other assets	1	1
Other current liabilities	375	156
Interest Rate Swap [Member]
Derivative [Line Items]
Notional amount	52,413	52,413
Other current liabilities	375	156
Interest Rate Cap [Member]
Derivative [Line Items]
Notional amount	7,500	7,500
Other assets	$ 1	$ 1