Subsequent Events (Details) $ in Thousands	Jul. 28, 2017 USD ($) employee	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Subsequent Event [Line Items]
Goodwill		$ 304,357	$ 298,619
Fyfe
Subsequent Event [Line Items]
Long-lived assets		55,700
Goodwill		56,000
Discontinued Operations, Held-for-sale | Sale of Bayou | Bayou
Subsequent Event [Line Items]
Assets held for sale		98,800
Liabilities held for sale		$ 26,300
Scenario, Forecast | Restructuring 2017
Subsequent Event [Line Items]
Number of positions expected to be eliminated | employee	180
Minimum | Restructuring 2017 | Subsequent Event
Subsequent Event [Line Items]
Expected restructuring cash charges	$ 9,000
Maximum | Restructuring 2017 | Subsequent Event
Subsequent Event [Line Items]
Expected restructuring cash charges	$ 11,000