Income Taxes - Schedule of Tax Effects of Temporary Differences that Give Rise to Significant Portions of Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Deferred compensation	$ 626	$ 937
Foreign tax credits	19,453	21,492
Vacation and bonus accrual	3,936	1,674
Inventory valuation	4,954	7,655
Rental accrual	747	1,416
Hurricane relief credit	1,255	1,255
Stock-based compensation	988	2,202
Other	2,235	3,115
Net operating losses	82,044	89,256
Total deferred tax assets	116,238	129,002
Valuation allowance - tax credit carryforwards	(16,537)	(11,039)
Total deferred tax assets, net	93,605	112,645
Deferred tax liabilities:
Tax depreciation in excess of book depreciation	(171,116)	(253,560)
Other	(5,185)	0
Total deferred tax liabilities	(176,301)	(253,560)
Net deferred tax liabilities	(82,696)	(140,915)
Deferred tax assets – short-term	0	10,798
Deferred tax assets – long-term	3,309	0
Deferred tax liability - long-term	(86,005)	(151,713)
Net deferred tax liabilities	(82,696)	(140,915)
State and Local Jurisdiction [Member]
Deferred tax assets:
Valuation allowance - state NOL carryforwards	(5,998)	(5,318)
Foreign Tax Authority [Member]
Deferred tax assets:
Valuation allowance - state NOL carryforwards	$ (98)	$ 0