Credit Facilities and Debt - Summary of Inventory Held For Sale Financed Capital Leases-Equipment (Detail) - New Equipment [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Capital Leased Assets [Line Items]
Amount Borrowed	$ 896
Remaining Repayment Period	35 months
Amount of Monthly Payment	$ 18
Equipment lease balance	$ 298