Components of Income Tax Benefit (Provision) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Income Taxes [Line Items]
Current benefit (provision), Federal	$ (245)	$ (68)	$ 0
Deferred benefit (provision), Federal	2,319	422	595
Income tax benefit (provision), Federal	2,074	354	595
Current benefit (provision), State and Local	(157)	(13)	0
Deferred benefit (provision), State and Local	1,016	228	0
Income tax benefit (provision), State and Local	859	215	0
Current benefit (provision), Foreign	0	40	(57)
Deferred benefit (provision), Foreign	0	(25)	0
Income tax benefit (provision), Foreign	0	15	(57)
Current benefit (provision), Total	(402)	(41)	(57)
Deferred benefit (provision), Total	3,335	625	595
Income tax benefit (provision)	$ 2,933	$ 584	$ 538