Commitments and Contingencies - Additional Information (Detail) (Europe, Lease Agreements) In Thousands, unless otherwise specified	1 Months Ended
	Jul. 30, 2013	Sep. 30, 2013 USD ($)	Sep. 30, 2013 EUR (€)
Commitments and Contingencies [Line Items]
Facilities leases, base rent per month		$ 45,000	€ 34,500
Lease, expiration date	Jul. 31, 2023