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Income Taxes - Narrative (Details) |  | 12 Months Ended
--- | --- | ---
Jul. 01, 2018 USD ($) | Dec. 31, 2018 USD ($) subsidiary | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Valuation Allowance [Line Items] |  |  |  |
Provisional tax benefit recorded related to the Tax Act |  | $ 575,000 | $ 73,028,000 | $ 0
Tax effects reclassified from accumulated other comprehensive income | $ 200,000 |  |  |
U.S federal corporate tax rate after enactment of the Tax Act |  | 21.00% |  |
U.S. federal statutory corporate tax rate |  | 21.00% | 35.00% | 35.00%
Provision for income taxes |  | $ 47,631,000 | $ 5,561,000 | $ 80,306,000
Effective tax rate |  | 23.20% | 2.50% |
Number of foreign subsidiaries | subsidiary |  | 2 |  |
Deferred tax liabilities, net |  |  | $ 25,700,000 |
Unrecognized tax benefits |  | $ 1,598,000 | 1,151,000 | $ 0
Unrecognized tax benefits that would affect the effective tax rate if recognized |  | 1,400,000 | 1,000,000 |
Interest and penalties related to uncertain tax positions |  | 200,000 | $ 200,000 |
State |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
NOL carryforwards |  | 271,800,000 |  |
Foreign |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
NOL carryforwards |  | 113,200,000 |  |
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Tax effects reclassified from accumulated other comprehensive income |  | (150,000) |  |
Retained Earnings |  |  |  |
Valuation Allowance [Line Items] |  |  |  |
Tax effects reclassified from accumulated other comprehensive income |  | $ 150,000 |  |

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