Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

Summary of Estimated Useful Life of Property and Equipment

Depreciation is computed under the straight-line method over the following estimated useful lives:

Computer equipment and software	3 years
Data center servers	3 years
Internally-developed software	3 years
Office equipment	7 years
Office furniture	7 years
Leasehold improvements	Shorter of lease term or economic life