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Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred income tax liabilities: |  |
Depreciation | $ (4,459) | $ (4,629)
Intangibles | (150,090) | (183,632)
Lease obligations | (3,893) | 0
Other | (1,420) | (1,217)
Total deferred tax liabilities | (159,862) | (189,478)
Deferred income tax assets: |  |
Accrued compensation | 5,742 | 4,098
Right of use assets | 3,793 | 0
Unfavorable contracts liability | 0 | 4,739
NOL and tax credit carryforwards | 11,152 | 0
Other | 6,179 | 2,725
Total deferred tax assets | 26,866 | 11,562
Less: Valuation allowance | 0 | 0
Net deferred tax liability | $ (132,996) | $ (177,916)

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