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Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018 | Dec. 29, 2018
Accounting Policies [Abstract] |  |  |  |
Decrease in receivables due to factoring | $ 24,000 | $ 25,500 |  |
Accounting Standards Update 2017-12 |  |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |  |
Cumulative effect |  |  | $ 981 |
Accounting Standards Update 2017-12 | Retained earnings |  |  |  |
New Accounting Pronouncement, Early Adoption [Line Items] |  |  |  |
Cumulative effect |  |  | $ 981 | $ 1,000

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