Commitments and Contingencies (Details) $ in Thousands	1 Months Ended
	Mar. 31, 2015 USD ($) ft²	Feb. 28, 2015 USD ($) ft²	Jan. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)
Leases and contractual obligations
Future minimum lease payments				$ 19,748
Future minimum lease payments
2015 (remaining 3 months)				1,551
2016				6,372
2017				6,608
2018				4,639
2019				578
Total				$ 19,748
Sydney, Australia lease agreement
Leases and contractual obligations
Area of office space (in square feet) | ft²		6,448
Future minimum lease payments		$ 1,000
Term of operating lease		36 months
Future minimum lease payments
Total		$ 1,000
Tokyo, Japan lease agreement
Leases and contractual obligations
Area of office space (in square feet) | ft²	4,147
Future minimum lease payments	$ 1,400
Term of operating lease	42 months
Future minimum lease payments
Total	$ 1,400
Customer relationship management vendor
Leases and contractual obligations
Contractual Obligation			$ 4,000
Term of contractual obligation (in months)			36 months
Data center vendor
Leases and contractual obligations
Contractual Obligation			$ 1,400
Term of contractual obligation (in months)			36 months