Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Accounting Policies Adoption of New Accounting Standards (Details)

v3.8.0.1
Basis of Presentation and Accounting Policies Adoption of New Accounting Standards (Details)
$ in Thousands
Dec. 31, 2017
USD ($)
Accounting Changes and Error Corrections [Abstract]  
Cumulative Effect of New Accounting Principle in Period of Adoption $ (2,467)