Quarterly report pursuant to Section 13 or 15(d)

Remediation Receivables (Details)

v3.7.0.1
Remediation Receivables (Details) - Paramount - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Recorded Third-Party Environmental Recoveries, Current $ 644 $ 644
Recorded Third-Party Environmental Recoveries, Noncurrent $ 2,631 $ 2,762