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Summary of Significant Accounting Policies - Additional Information (Detail) - General Electric Company	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Schedule Of Significant Accounting Policies [Line Items]
Percentage of accounts receivables	18.00%		18.00%
Percentage of revenues	18.00%	19.00%

X

- Definition

Net revenue from one of the clients as a percentage of total net revenues of the Company for the reporting period.

+ References

No definition available.

+ Details

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X

- Definition

Net amount due from one of the clients of the Company as a percentage of the total net amount due from all the clients for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

No definition available.

+ Details

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X

- Definition

Schedule Of Significant Accounting Policies [Line Items]

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X

- Details

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