Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Subsequent Event (Details) - New ABL Facility - Line of Credit - USD ($)	3 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Aug. 31, 2017
Subsequent Event [Line Items]
Line of credit capacity			$ 125,000,000
Revolving Credit Facility
Subsequent Event [Line Items]
Line of credit capacity		$ 125,000,000
Scenario, Forecast \| Revolving Credit Facility
Subsequent Event [Line Items]
Additional borrowing capacity	$ 20,500,000
Amendment fee (as a percent)	0.25%
Line of credit capacity	$ 125,000,000