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INCOME TAXES - Deferred income taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Components of the deferred tax provision or benefit |  |  |
Amortization, depreciation, and basis differences for property, plant and equipment and other long-lived assets | $ 1,451 | $ 4,975 | $ 16,255
Amortization of intangibles and impairment | (536) | 183 | (6,933)
Changes in reserves for workers' compensation, third-party casualty, and cargo claims | (3,294) | (182) | (1,880)
Revenue recognition | (1,445) | (1,481) | (1,437)
Allowance for credit losses | 156 | (652) | 541
Nonunion pension and other retirement plans | (3) | 957 | 564
Multiemployer pension fund withdrawal | 164 | 157 | 150
Federal and state net operating loss carryforwards utilized (generated) | (300) | (259) | 59
State depreciation adjustments | 598 | 343 | (1,302)
Share-based compensation | (984) | (195) | (709)
Valuation allowance increase | 911 | 617 | 383
Other accrued expenses | (4,097) | 1,663 | (699)
Prepaid expenses | (788) | 1,207 | 1,782
Operating lease right-of-use assets/liabilities - net | (228) | (13) | (1,049)
Other | 806 | 395 | (314)
Deferred tax provision (benefit) | $ (7,589) | $ 7,715 | $ 5,411

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- Definition Represents the amount of deferred tax provision or (benefit) on allowance for doubtful accounts during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on amortization of intangible assets and impairment arising during the period due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on equity-based compensation costs during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the deferred income tax expense benefit multiemployer pension fund withdrawal. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on operating lease right-of-use assets/liabilities - net during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on federal and state operating loss carryforwards during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on other costs not otherwise specified in the taxonomy during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on other accrued expenses during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on pension and other retirement plans costs during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on prepaid expenses during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on amortization, depreciation and basis difference for property, plant and equipment and other long-lived assets (excluding intangible assets) arising during the period due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on changes in reserves for workers' compensation and cargo claims arising during the period due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on revenue recognition arising during the period due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition Represents the amount of deferred tax provision or (benefit) on state depreciation adjustments during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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- Definition This element represents the amount of deferred tax provision or (benefit) on valuation allowance during the period, due to an increase or decrease in the entity's deferred tax assets and liabilities pertaining to continuing operations. + References No definition available. + Details
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