Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes [Line Items]
Indefinitely reinvested foreign earnings	$ 46,200,000
Income tax provision, federal rate	35.00%	35.00%	35.00%
Unrecognized tax benefit	1,180,000	1,180,000	1,180,000	1,180,000
State and Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards, valuation allowance	11,200,000
State Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards, decrease in valuation allowance	400,000	(1,600,000)
Operating loss carryforwards	5,800,000
State Jurisdiction | Minimum
Income Taxes [Line Items]
Income tax, years under examination	2010
State Jurisdiction | Maximum
Income Taxes [Line Items]
Income tax, years under examination	2013
Local Jurisdiction
Income Taxes [Line Items]
Operating loss carryforwards	$ 5,400,000
Internal Revenue Service (IRS) | Minimum
Income Taxes [Line Items]
Income tax, years under examination	2011
Internal Revenue Service (IRS) | Maximum
Income Taxes [Line Items]
Income tax, years under examination	2013