Consolidated Statements of Cash Flows (Parenthetical) - Convertible promissory notes	Dec. 31, 2018	Jan. 18, 2018	Dec. 31, 2014
Convertible Promissory Notes due December 2019, Recourse
Interest rate percentage		5.00%
Convertible Promissory Notes due December 2019, Recourse | Affiliated entity
Interest rate percentage			8.00%
6% Notes | Affiliated entity
Interest rate percentage	6.00%