Property and Equipment, Net - Construction in Progress (Details)	12 Months Ended
Dec. 31, 2016 USD ($)
Property and Equipment, Net
Accrued construction in progress	$ 2,978,498
Construction in progress
Property and Equipment, Net
Increase in construction in progress	$ 23,161,828

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