Information about Geographic Areas - Schedule of Revenues by Geographic Area (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 405,139	$ 26,653	$ 966,931	$ 56,820
Operating Segments [Member] | North America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	400,137	8,144	952,634	25,252
Operating Segments [Member] | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	4,743	16,756	13,594	25,987
Operating Segments [Member] | Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 259	$ 1,753	$ 703	$ 5,581