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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
Effective tax rate | 24.10% | 24.90% | 16.20%
Reduction of deferred tax liability |  |  | $ 70,400
Federal statutory income tax rate | 21.00% | 21.00% | 35.00%
Increase (decrease) in other deferred liability | $ 17,200 |  |
Net operating loss carryforwards | 71,724 | $ 74,213 |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance, amount | 57,790 | 56,925 |
Unrecognized tax benefits | 0 | 0 |
State Tax Net Operating Losses |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance, amount | $ 49,400 | $ 49,100 |
Percent of deferred tax asset for which valuation allowance has been recognized | 100.00% | 100.00% |
Foreign Tax Net Operating Losses |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance, amount | $ 8,400 | $ 7,800 |
Percent of deferred tax asset for which valuation allowance has been recognized | 38.00% | 31.00% |

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