Debt (Components of Debt) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Mar. 21, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Real estate mortgage note		$ 9,328
Installment notes payable		10
Capital lease obligations		15,016
Unamortized debt issuance costs	[1]	(1,441)
Total debt, net		324,454
Less current portion		4,758	$ 4,632
Total long-term debt, net		319,696	291,429
Predecessor
Debt Instrument [Line Items]
Prior Credit Facility	[2]			$ 444,440
Real estate mortgage note	[2]			9,595
Installment notes payable	[2]			434
Capital lease obligations	[2]			16,946
Unamortized debt issuance costs	[1],[2]			(2,303)
Total debt, net	[2]			469,112
Less current portion			$ 468,814	469,112	[2]
Total long-term debt, net				$ 0
New Revolver
Debt Instrument [Line Items]
New Credit Facility		153,000
New Term Loan
Debt Instrument [Line Items]
New Credit Facility		$ 148,541

[1] Debt issuance costs are presented as a direct deduction from debt rather than an asset pursuant to recent accounting guidance. The balance on September 30, 2017, was related to the New Revolver while the balance on December 31, 2016, was related to the Prior Credit Facility.

[2] Senior Notes have not been included in this table as they were classified as “Liabilities subject to compromise.”