Property and Equipment - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Property Plant And Equipment [Line Items]
Description of operating lease agreements				The term of the right of use is an initial ten years with two optional renewals of five years each.
Operating lease term of contract				10 years
Operating lease renews term				5 years
Computers and Office Equipment
Property Plant And Equipment [Line Items]
Useful life of computers and office equipment	10 years
Selling, General and Administrative Expenses
Property Plant And Equipment [Line Items]
Depreciation and amortization of property and equipment		$ 1.3	$ 1.2	$ 1.9	$ 2.4