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Income Taxes (Details)
3 Months Ended
Mar. 31, 2017
USD ($)
item
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
Income Tax Contingency [Line Items]      
Income tax provision $ (164,000) $ (920,000)  
Number of wholly owned subsidiaries which are taxable for federal and state income tax purposes | item 1    
Unrecognized tax benefits $ 1,400,000   $ 1,400,000
Portion of unrecognized tax benefits that would impact the effective tax rate if recognized 1,400,000   $ 1,400,000
Parent Company [Member]      
Income Tax Contingency [Line Items]      
Income tax provision $ 0