Commitments and Contingencies - Minimum Payments Under Non-Cancelable Operating and Capital Leases (Details) $ in Thousands	Sep. 30, 2015 USD ($)
Operating Leases
2015, remaining three months	$ 886
2016	3,577
2017	1,524
2018	1,478
2019	1,460
2020 and thereafter	1,352
Total minimum payments	10,277
Capital Leases
2015, remaining three months	17
2016	52
2017	22
2018	18
2019	1
Total minimum payments	110
Less: Amount representing interest	6
Present value of capital lease obligations	104
Less: Current portion	54
Capital lease obligation, net of current portion	$ 50