Landfill (Details Textual) - USD ($)	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Landfill (Textual)
Amortization of landfill assets	$ 3,300,000	$ 230,000
Capital additions, net	$ 1,800,000

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentAdditions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration