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Income Taxes - Deferred Income Taxes Related to Temporary Differences between Tax Bases of Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Deferred tax liabilities: |  |
Accelerated depreciation | $ 249,568 | $ 244,141
Prepaid costs currently deductible | 8,646 | 6,069
Other | 8,124 | 6,553
Total deferred tax liabilities | 266,338 | 256,763
Deferred tax assets: |  |
Accrued costs not yet deductible | 12,207 | 11,010
Allowance for doubtful accounts | 588 | 548
Deferred revenues | 4,069 | 219
Share-based compensation | 2,563 | 2,561
Total deferred tax assets, net of valuation allowance of $0.2 million in 2021 and 2020 | 19,427 | 14,338
Deferred income taxes, net | $ 246,911 | $ 242,425

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