Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Amount expected to be utilized of tax credit carry forwards expiring in the and beyond the stated year	$ 2,400,000
Valuation allowance	18,907,000	$ 26,329,000
Deferred income taxes, undistributed foreign earnings	16,900,000	5,700,000
Impact of repatriation, net of foreign tax credits	2,100,000	0
Unrecognized tax benefits, impact on effective tax rate	500,000	500,000	$ 900,000
Accrued interest and penalties	100,000	200,000	2,500,000
Increase (decrease) in income tax expense	(100,000)	$ (2,300,000)	$ (300,000)
Unrecognized tax benefits, gross	300,000
Foreign Countries
Income Taxes [Line Items]
Valuation allowance	17,900,000
Foreign Countries
Income Taxes [Line Items]
Net operating loss carryforwards, foreign	$ 24,500,000
Net operating loss carry forwards expiring in and beyond the stated year	expire in 2017 and later
California enterprise zone
Income Taxes [Line Items]
California enterprise zone tax credits	$ 3,400,000
Tax credit carry forwards expiring in and beyond the stated year	expire in 2023
California enterprise zone | California Enterprise Zone
Income Taxes [Line Items]
Valuation allowance	$ 1,000,000