Income Taxes (Income Tax Benefit Expense) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 31 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Loss from continuing operations before taxes on income $ (41,748) $ (18,409)   $ (62,911)
Tax rate 35.00% 35.00%   35.00%
Computed "expected" tax benefit 14,612 6,443   22,019
Foreign tax rate differential (122) (147)   (269)
Change in valuation allowance (17,085) (7,461)   (25,777)
Nondeductible expenses (125) (15)   (140)
State and local income tax, net of federal income tax expense 2,714 1,197   3,911
Other items 6 (17)   256
Consolidated total amounts $ 0 $ 0 $ 0 $ 0