Income Taxes (Components of Income Tax Provision (Benefit)) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Current:      
Federal $ (28) $ 0 $ 0
State, local and foreign 184 749 129
Current Income Tax Expense (Benefit) 156 749 129
Deferred:      
Federal 0 0 0
State, local and foreign (105) 0 0
Deferred Income Tax Expense (Benefit) (105) 0 0
Income tax provision $ 51 $ 749 $ 129