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New Accounting Pronouncements (Details) - USD ($) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Jan. 01, 2020 | Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Reduction to retained earnings upon adoption of accounting standard | $ 3,841 |  |  |
Allowances on accounts receivable, current |  | $ 14,446 |  | $ 9,398
Deferred income tax provision |  | $ 4,210 | $ 24,558 |
Adjustment due to Adoption of New ASU |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |
Reduction to retained earnings upon adoption of accounting standard | 3,800 |  |  |
Allowances on accounts receivable, current | 5,100 |  |  |
Deferred income tax provision | $ 1,200 |  |  |

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