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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Contingencies And Commitments [Line Items] |  |
Maximum exposure associated with general indemnifications | $ 46.5 |
Contingent liability reserve balance after reduction | 4.3 |
Other accrued liabilities |  |
Contingencies And Commitments [Line Items] |  |
Amount reserved for pending proceedings | 1.2 | $ 2.4
Other long-term liabilities |  |
Contingencies And Commitments [Line Items] |  |
Amount reserved for pending proceedings | $ 0.3 |
Dealership |  |
Contingencies And Commitments [Line Items] |  |
Joint venture ownership percentage | 50.00% |
Minimum |  |
Contingencies And Commitments [Line Items] |  |
General indemnifications expiration period | 1 year |
Maximum |  |
Contingencies And Commitments [Line Items] |  |
General indemnifications expiration period | 3 years |

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