Stockholders' Equity (Schedule Of Changes in Accumulated Other Comprehensive Income by Component Net of Tax) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), net tax		$ 4
Other Comprehensive Income Loss Before Reclassification, net tax	467
Reclassification from Accumulated Other Comprehensive Income, Current Period, after Tax	(423)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	44
Accumulated Other Comprehensive Income (Loss), Net of Tax	48	4
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), net tax		28
Other Comprehensive Income Loss Before Reclassification, net tax	(25)
Reclassification from Accumulated Other Comprehensive Income, Current Period, after Tax	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(25)
Accumulated Other Comprehensive Income (Loss), Net of Tax	3
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), net tax		(24)
Other Comprehensive Income Loss Before Reclassification, net tax	492
Reclassification from Accumulated Other Comprehensive Income, Current Period, after Tax	(423)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	69
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 45