Subsequent Events (Details) - USD ($)	Apr. 19, 2016	Feb. 02, 2015	Jun. 01, 2016	May. 31, 2016	May. 06, 2016	May. 04, 2016
Subsequent Event [Line Items]
Advance volume purchase discount per annum		$ 1,750,000
Subsequent Event
Subsequent Event [Line Items]
Debtor-in-possession financing, amount arranged						$ 160,000,000
Debtor-in-possession financing, borrowings outstanding					$ 100,000,000
Advance volume purchase discount per annum	$ 1,750,000
Scenario, Forecast
Subsequent Event [Line Items]
Debtor-in-possession financing, minimum excess availability required			$ 13,000,000	$ 25,000,000