Income Tax - Tax Expense Based on Location (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Current tax provision
Puerto Rico	$ 3,054	$ 1,795	$ 4,860	$ 3,561
United States	386	72	200	236
Foreign countries	940	1,667	2,827	2,417
Total current tax provision	4,380	3,534	7,887	6,214
Deferred tax (benefit) provision
Puerto Rico	(463)	(431)	(1,052)	(910)
United States	20	(26)	(83)	(51)
Foreign countries	131	(276)	(664)	(576)
Total deferred tax benefit	$ (312)	$ (733)	$ (1,799)	$ (1,537)