Property and Equipment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 6,213			$ 4,865
Less: accumulated depreciation	(414)			(259)
Property and equipment, net	5,799			4,606
Selling, General and Administrative Expenses
Property, Plant and Equipment [Line Items]
Depreciation expense	200
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	533			380
Leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)		13 years
Leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)		20 years
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,861			3,946
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Useful life (in years)		1 year
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Useful life (in years)		12 years
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,819			$ 539
Predecessor | Selling, General and Administrative Expenses
Property, Plant and Equipment [Line Items]
Depreciation expense			$ 100