Commitments and Contingencies - Schedule of Future Lease Cash Payments under the Build to Suit Lease (Detail) $ in Thousands	Sep. 30, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Build-To-Suit Lease, Remainder of 2015	$ 654
Build-To-Suit Lease, 2016	2,168
Build-To-Suit Lease, 2017	2,233
Build-To-Suit Lease, 2018	2,300
Build-To-Suit Lease, 2019	2,368
Build-To-Suit Lease, 2020 and thereafter	12,028
Build-To-Suit Lease, Future Minimum Payments	$ 21,751

Amount of future minimum payments under build-to-suit lease.

No definition available.

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Amount of future minimum payments maturing in the fifth fiscal year following the latest fiscal year ended under build-to-suit lease.

No definition available.

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Amount of future minimum payments maturing in the fourth fiscal year following the latest fiscal year ended under build-to-suit lease.

No definition available.

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Amount of future minimum payments maturing in the third fiscal year following the latest fiscal year ended under build-to-suit lease.

No definition available.

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Amount of future minimum payments maturing in the second fiscal year following the latest fiscal year ended under build-to-suit lease.

No definition available.

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Amount of future minimum payments maturing in the remainder of the fiscal year following the latest fiscal year ended under build-to-suit lease.

No definition available.

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Amount of future minimum payments maturing after the fifth fiscal year following the latest fiscal year ended under build-to-suit lease.

No definition available.

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No definition available.

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