Income Taxes - Components of Deferred Taxes (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets:
Deductible stock compensation expense, net	$ 7,199	$ 9,707
Operating lease liabilities	75,659	72,506
Capitalized R&D expenses	39,723	23,246
Accrued third party obligations, deductible for taxes upon economic performance	10,878	9,601
Excess of financial statement over tax depreciation	12,532	10,280
Foreign currency translation adjustments	15,400	12,184
Retained liability for cargo claims	1,040	1,592
Provision for credit losses on accounts receivable	856	3,550
Total gross deferred tax assets	163,287	142,666
Deferred Tax Liabilities:
Unremitted foreign earnings, net of related foreign tax credits	28,275	36,542
Operating lease assets	71,322	68,675
Total gross deferred tax liabilities	99,597	105,217
Net deferred tax assets	$ 63,690	$ 37,449