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Income Taxes - Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred income tax assets: |  |
Net operating loss | $ 50.4 | $ 57.6
Property, net | 0.0 | 6.6
Insurance reserve | 18.7 | 17.8
Stock-based compensation | 15.2 | 15.2
Operating lease liabilities | 18.2 | 22.1
Other accruals | 35.1 | 43.4
Tax credits | 10.9 | 10.5
Other | 0.0 | 0.1
Total deferred income tax assets | 148.5 | 173.3
Less: Valuation allowance | (43.1) | (46.2)
Net deferred income tax assets | 105.4 | 127.1
Deferred income tax liabilities: |  |
Revenue reserves | (0.7) | (5.7)
Intangibles | (102.9) | (99.7)
Operating lease right-of-use assets | (17.7) | (21.7)
Property, net | (3.4) | 0.0
Carrying value of partnerships | (67.0) | (51.4)
Other | (0.4) | (0.4)
Total deferred income tax liabilities | (192.1) | (178.9)
Net deferred income tax liabilities | $ (86.7) | $ (51.8)

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