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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |
Accruals and reserves | $ 32,920 | $ 27,271
State net operating loss carryforwards | 8,965 | 10,771
Basis difference in property and equipment | 9,941 | 20,923
Fair value of interest rate swaps | 1,354 | 1,153
Deferred Tax Assets Basis Difference Related to ROU Assets | 98,447 | 93,808
Interest and state taxes associated with the liability for uncertain income tax positions | 987 | 938
Other | 1,904 | 2,146
Deferred Tax Assets, Net of Valuation Allowance, Total | 154,945 | 157,010
Deferred Tax Assets, Inventory | 427 | 0
Deferred tax liabilities: |  |
Basis difference in inventories | 0 | (804)
Basis difference in goodwill | (24,497) | (61,397)
Deferred Tax Liability Basis Difference in ROU Assets | (95,078) | (90,679)
Other | (1,603) | (2,316)
Total deferred tax liabilities | (121,178) | (155,196)
Valuation allowance | (5,184) | (7,775)
Net deferred tax asset (liability) | $ (28,583) | $ (5,961)

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