Income Taxes - Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Federal	$ (212)	$ (1,475)	$ 550
State and local	66	62	51
Foreign	3,037	4,154	2,256
Total Current	2,891	2,741	2,857
Deferred	(1,205)	210	(1,251)
Deferred	(979)
Total	$ 1,912	$ 2,951	$ 1,606