Income Taxes - Income Tax Expense (Benefit) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
U.S. Federal		$ (115)
State	179	345	113
Non-U.S.	4,490	2,910	6,023
Total current expense	4,669	3,140	6,136
Deferred:
U.S. Federal	3,594	2,789	534
State	145	12	170
U.S. deferred tax valuation allowance	(818)	(9,814)	(704)
Non-U.S.	410	(54)	(968)
Total deferred expense (benefit)	3,331	(7,067)	(968)
Total expense (benefit)	$ 8,000	$ (3,927)	$ 5,168