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Corporate Restructuring and Other Organizational Changes - Additional Information (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 2,918 | $ 4,127
Other Current Liabilities |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | 1,400 |
Operating Lease Liabilities |  |
Restructuring Cost and Reserve [Line Items] |  |
Restructuring charges | $ 1,500 |

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