Income Taxes - Components of Deferred Taxes (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Assets:
Deductible stock compensation expense, net	$ 11,291	$ 14,265
Operating lease liabilities	67,065	52,223
Accrued third party obligations, deductible for taxes upon economic performance	6,504	6,242
Excess of financial statement over tax depreciation	9,182	8,123
Foreign currency translation adjustments	8,729	4,604
Retained liability for cargo claims	1,430	1,128
Provision for credit losses on accounts receivable	2,168	954
Total gross deferred tax assets	106,369	87,539
Deferred Tax Liabilities:
Unremitted foreign earnings, net of related foreign tax credits	41,560	43,805
Operating lease assets	64,080	49,865
Deferred contract costs	0	917
Total gross deferred tax liabilities	105,640	94,587
Net deferred tax (liabilities) assets		$ (7,048)
Net deferred tax (liabilities) assets	$ 729