Bankruptcy Filing - Additional Information (Details) $ in Thousands			6 Months Ended
	Aug. 02, 2019 USD ($)	Jun. 18, 2019	Jun. 30, 2019 USD ($)	Jul. 11, 2019 USD ($)	Mar. 18, 2019 USD ($) executive employee	Mar. 14, 2019 subsidiary
Reorganizations [Line Items]
Number of domestic subsidiaries | subsidiary						4
Reorganization plan, description			Subject to certain exceptions, this settlement contemplates issuing to our current equity holders three-year warrants entitling the holders to acquire under certain specified terms and conditions up to an aggregate of 5% of the reorganized parent’s equity interests issued and outstanding as of our emergence from bankruptcy, subject to dilution in connection with future equity issuances.
Reorganization plan, term of warrants issued or to be issued		3 years
Number of senior executives incentivized to stay under retention plan | executive					7
Potential retention funds available to senior executives if milestone plan metrics reach Threshold			$ 4,200
Potential retention funds available to senior executives if certain milestone plan metrics are achieved					$ 5,600
Potential retention funds available to senior executives if milestone metrics exceed plan					$ 7,000
Number of non-insider employees incentivized to stay under retention plan | employee					61
Potential retention funds available to non-insider employees					$ 3,500
Subsequent Event [Member] | First Lien Senior Secured Term Loan [Member]
Reorganizations [Line Items]
Term loan commitments from lenders	$ 225,000
Term loan commitments, maturity term	5 years
Commitment Agreement [Member]
Reorganizations [Line Items]
Debtor-in-possession financing arrangement, description			Subject to the terms and conditions of the Commitment Agreement, the Commitment Parties have agreed, in the aggregate, to provide up to $75 million cash (the “Equity Commitment”) in exchange for shares of common stock in the reorganized parent company. Under the Commitment Agreement, the shares would be issued at a discount of 25% to the value assigned to such shares in the Plan (as defined below). In addition, each of the Commitment Parties would be paid their pro rata share of an overall commitment fee of $15 million. The commitment fee would be paid on the Emergence Date in the form of additional shares of common stock of the reorganized parent company.
Debtor-in-possession financing, termination description			The Commitment Agreement may be terminated in a number of circumstances. We will be required to pay (i) a $3.75 million termination fee if we terminate the Commitment Agreement in connection with the Board’s exercise of its fiduciary duties and certain other conditions are met, including entering into an agreement to effect an alternative transaction within 12 months, or (ii) a higher termination fee if the Commitment Parties terminate the Commitment Agreement in certain other limited circumstances.
Commitment Agreement [Member] | Subsequent Event [Member]
Reorganizations [Line Items]
Percentage of discount on shares to be issued to commitment parties				25.00%
Overall commitment fee payable to commitment parties				$ 15,000
Termination fee payable to commitment parties, subject to conditions				3,750
Maximum [Member]
Reorganizations [Line Items]
Reorganization plan, ownership percentage of equity interests on emergence from bankruptcy		5.00%
Maximum [Member] | Commitment Agreement [Member] | Subsequent Event [Member]
Reorganizations [Line Items]
Debtor-in-possession financing, amount arranged				$ 75,000