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Principles of Consolidation (Details)	Mar. 31, 2018	Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Noncontrolling interest, ownership percentage by noncontrolling owners	15.00%	15.00%

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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