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Income Taxes (Details) (USD $)
 3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Income Taxes (Textual) [Abstract]      
Effective income tax rate 30.10% 39.30%  
Gross deferred tax assets $ 73,300,000   $ 77,200,000
Valuation allowance related to the foreign tax credit carryforwards 14,700,000   14,600,000
Accrued gross liabilities 636,000   636,000
Accrued interest and penalties for discontinued operations 426,000   418,000
Period of unrecognized tax benefits not expected to be recognized 12 months    
Liabilities associated with uncertain tax positions     $ 1,100,000
Foreign Tax Authority [Member]
      
Operating Loss Carryforwards [Line Items]      
Period of tax credit 10 years    
Expiration period 2019