Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Line Items]
Provision (benefit) for income taxes	$ 86,151,000	$ (9,010,000)	$ 2,693,000
Effective income tax rate	(462.00%)	1670.70%	5.41%
Discrete tax benefit (expenses)	92,500,000
Effective Income Tax rate, exclusive of discrete items	34.20%	1288.00%	26.20%
Net Deferred Tax Assets	3,100,000
Deferred Tax Assets, Undistributed Earnings of Foreign Subsidiaries	190,000,000
Unrecognized tax positions, recognized	600,000	1,000,000	1,800,000
Interest Expense recognized relating to UTP	27,000		1,600,000
Valuation Allowance	91,700,000
Deferred Tax Liabilities Net	3,100,000
Reduction of Uncertain Tax Positions
Income Taxes [Line Items]
Provision (benefit) for income taxes	400,000
State tax apportionment changes and an adjustment
Income Taxes [Line Items]
Provision (benefit) for income taxes	500,000
Valuation Allowances
Income Taxes [Line Items]
Provision (benefit) for income taxes	91,700,000
Income Tax Audit Settlement
Income Taxes [Line Items]
Provision (benefit) for income taxes	700,000
Reserve for depreciation | Hong Kong
Income Taxes [Line Items]
De-recognized UTP	200,000
Reserve for depreciation | United States
Income Taxes [Line Items]
De-recognized UTP	600,000
Interest Expense
Income Taxes [Line Items]
De-recognized UTP		200,000
Discrete tax benefits | Reduction of Uncertain Tax Positions
Income Taxes [Line Items]
Provision (benefit) for income taxes		300,000
Discrete tax benefits | State tax apportionment changes and an adjustment
Income Taxes [Line Items]
Provision (benefit) for income taxes		$ 1,700,000