Commitments and Contingencies (Details 2) $ in Thousands	1 Months Ended
	Aug. 31, 2015 USD ($) ft²	Jun. 30, 2015 USD ($)
Operating Leases
Future minimum non-cancelable lease payments		$ 45,961
Standby letters of credit		2,200
Office Location In Houston, Texas
Operating Leases
Future minimum non-cancelable lease payments		$ 1,800
Subsequent Event | Office Location In Houston, Texas
Operating Leases
Future minimum non-cancelable lease payments	$ 9,900
Sublease rental payments not received	200
Subsequent Event | Office Location In Houston, Texas | Minimum
Operating Leases
Base annual rent expense	1,300
Subsequent Event | Office Location In Houston, Texas | Maximum
Operating Leases
Base annual rent expense	1,500
Subsequent Event | Office location In Singapore
Operating Leases
Future minimum non-cancelable lease payments	3,100
Base annual rent expense	$ 600
Initial term of lease	60 months
Area of office space (in square feet) | ft²	11,343
Extension period of lease term	36 months
Aggregate capital expenditures with respect to the leased premises	$ 1,100
Remaining payments under capital expenditure contractual obligations expected to be made in fiscal 2016	$ 700