Other Current Liabilities - Schedule of Change in Customer Deposits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Contract With Customer Liability [Abstract]
Balance at the beginning of the year	$ 4,304	$ 4,574
Satisfaction of performance obligations	(11,627)	(10,885)
Receipt of additional deposits	12,189	10,701
Other, primarily changes in foreign currency exchange rates	29	(86)
Balance at the end of the year	$ 4,895	$ 4,304