Quarterly report pursuant to Section 13 or 15(d)

Recent Accounting Pronouncements (Details)

v3.8.0.1
Recent Accounting Pronouncements (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Additional Paid-in Capital [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification $ (147)  
Accounting Standards Update 2014-09 [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification $ 46,000 $ 33,000