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Income Taxes (Schedule of Components of Income Tax Expense (Benefit)) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income (loss) before income taxes:                      
Domestic                 $ 22,959 $ 1,635 $ 5,771
Foreign                 (2,729) (54,695) 17,555
Income (loss) before income taxes from continuing operations                 20,230 $ (53,060) $ 23,326
Provision for income taxes:                      
Federal                 386
State and foreign                 1,232 $ 1,382 $ 5,878
Total current expense (benefit)                 $ 1,618 $ 1,382 $ 5,878
Deferred:                      
Federal                
State and foreign                 $ (2,165) $ (3,238) $ (3,081)
Deferred Income Tax Expense (Benefit), Total                 (2,165) (3,238) (3,081)
Income Tax Expense (Benefit), Total $ (345) $ 32 $ (381) $ 147 $ (1,066) $ (1,174) $ 90 $ 294 $ (547) $ (1,856) $ 2,797