Taxes - Components of Deferred Taxes (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred Tax Assets:
Deductible stock compensation expense, net	$ 6,243	$ 7,199
Operating lease liabilities	95,895	75,659
Capitalized R&D expenses	54,969	39,723
Accrued third party obligations, deductible for taxes upon economic performance	6,382	10,878
Excess of financial statement over tax depreciation	13,679	12,532
Foreign currency translation adjustments	17,198	15,400
Retained liability for cargo claims	1,391	1,040
Provision for credit losses on accounts receivable	1,672	856
Total gross deferred tax assets	197,429	163,287
Deferred Tax Liabilities:
Unremitted foreign earnings, net of related foreign tax credits	36,583	28,275
Operating lease assets	90,175	71,322
Total gross deferred tax liabilities	126,758	99,597
Net deferred tax assets	$ 70,671	$ 63,690