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INCOME TAXES - Deferred (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 47,683 | $ 40,502
Operating lease liabilities | 30,590 | 33,933
Supplemental pension liabilities | 97 | 103
Multiemployer pension fund withdrawal | 5,247 | 5,409
Postretirement liabilities other than pensions | 4,441 | 4,871
Share-based compensation | 6,755 | 5,827
Federal and state net operating loss carryforwards | 1,652 | 1,353
Revenue recognition | 2,778 | 1,426
Other | 266 | 1,297
Total deferred tax assets | 99,509 | 94,721
Valuation allowance | (2,196) | (1,284)
Total deferred tax assets, net of valuation allowance | 97,313 | 93,437
Deferred tax liabilities: |  |
Amortization, depreciation, and basis differences for property, plant and equipment, and other long-lived assets | 114,999 | 113,092
Operating lease right-of-use assets | 29,403 | 32,923
Intangibles | 6,966 | 7,520
Prepaid expenses | 5,368 | 6,151
Total deferred tax liabilities | 156,736 | 159,686
Net deferred tax liabilities | $ (59,423) | $ (66,249)

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