Long-term Deferred Revenue - Schedule of Long-term Deferred Revenue (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Deferred Revenue Disclosure [Abstract]
Deferred revenue for Sony Computer Entertainment	$ 2,710	$ 7,051
Other deferred revenue	1,273	776
Long-term deferred revenue	$ 3,983	$ 7,827