Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Unrecognized Tax Benefits [Line Items]
Accrued interest and penalties	$ 100	$ 100	$ 100
Total gross amount of interest and penalties	200	200	200
Net operating loss carry forwards	14,700
Federal and state tax credits	296	$ 420	$ 666
Undistributed earnings of international subsidiaries	95,100
Non U.S. [Member]
Unrecognized Tax Benefits [Line Items]
Net operating loss carry forwards	20,100
Federal and state tax credits [Member]
Unrecognized Tax Benefits [Line Items]
Federal and state tax credits	$ 2,000
Minimum [Member]
Unrecognized Tax Benefits [Line Items]
Net operating loss carryforward, expiration year	2023
Minimum [Member] | Federal and state tax credits [Member]
Unrecognized Tax Benefits [Line Items]
Net operating loss carryforward, expiration year	2017
Maximum [Member]
Unrecognized Tax Benefits [Line Items]
Net operating loss carryforward, expiration year	2032
Maximum [Member] | Federal and state tax credits [Member]
Unrecognized Tax Benefits [Line Items]
Net operating loss carryforward, expiration year	2030