Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Narrative) (Details)

v3.8.0.1
Significant Accounting Policies (Narrative) (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Accounting Policies [Abstract]    
Debt and Capital Lease Obligations $ 95,000 $ 104,975
Long-term Debt, Fair Value $ 98,200 $ 108,300