Derivative Financial Instruments (Details)	Dec. 31, 2017
Fullham, Australia
Interest Rate Swaps [Abstract]
Fixed interest rate on cash flow interest rate derivative	9.70%

Fixed interest rate related to the interest rate derivative.

No definition available.

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant