Summary of Significant Accounting Policies and Estimates (Tables) |
12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2017 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accounting Policies [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Accumulated Other Comprehensive Income (Loss) |
The change in accumulated other comprehensive income (loss) presented on the consolidated balance sheets for the year ended December 31, 2017, is reflected in the table below net of tax:
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| Schedule of Customer Deposits, Advances, Deferred Revenues, and Deferred Unit Costs |
Deferred revenues consisted of the following:
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- References No definition available.
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- Definition Tabular disclosure of the type of arrangements and the corresponding amounts that comprise the current and noncurrent balance of deferred revenue as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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