Summary of Significant Accounting Policies - Share-Based Compensation Additional Information (Details)	12 Months Ended
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	4 years
Revenue Based PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target shares an employee can earn (as a percent)	200.00%
Amendment And Restatement Of The 2006 Omnibus Award Plan (2015 Plan)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based percentage (as a percent)	100.00%
Amendment And Restatement Of The 2006 Omnibus Award Plan (2015 Plan) \| Revenue Based PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based percentage (as a percent)	50.00%
Vesting period (in years)	3 years
Amendment And Restatement Of The 2006 Omnibus Award Plan (2015 Plan) \| Market Condition Based PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based percentage (as a percent)	50.00%
Vesting period (in years)	3 years
Maximum \| Revenue Based PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target shares an employee can earn (as a percent)	200.00%
Maximum \| Amendment And Restatement Of The 2006 Omnibus Award Plan (2015 Plan) \| Market Condition Based PRSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of target shares an employee can earn (as a percent)	200.00%

Percentage Of Performance Criteria Achieved And Shares Vested

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Percentage Of Target Shares Earned

+ References

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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