Debt Financing - Schedule of Total Debt Financing Disclosure - Debt Financing - Schedule of Total Debt Financing (Parenthetical) (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Variable - TEBS II [Member]
Short Term Debt [Line Items]
Debt instrument extend period	5 years	5 years
Stated Maturities	2024-07	2024-07
Variable - TEBS III [Member]
Short Term Debt [Line Items]
Debt instrument extend period	5 years	5 years
Stated Maturities	2025-07	2025-07