Summary of Significant Accounting Policies (Tables)
|6 Months Ended|
Jun. 30, 2017
|Accounting Policies [Abstract]|
|Schedule of Estimated Useful Life of Assets Used to Compute Depreciation Using the Straight-line Method||
Depreciation expense has been calculated using the following estimated useful lives:
|Schedule of Amounts of Non-hedging Derivative Financial Instruments||
The table below summarizes the carrying value of derivative instruments as of June 30, 2017 and December 31, 2016.
Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.
Reference 1: http://www.xbrl.org/2003/role/presentationRef