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Revenue from Contracts with Customers Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Amounts included in deferred revenue for performance obligations satisfied or partially satisfied |  |  |  |  |  |  |  |  | $ 3,000 |  |
Revenues | $ 198,632 | $ 213,897 | $ 221,666 | $ 213,256 | $ 199,477 | $ 205,683 | $ 197,010 | $ 168,487 |  |  |
Accounts receivable, net | 131,558 |  |  |  | 133,421 |  |  |  | 131,558 | $ 133,421 |
Major Customer |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 93,100 | 0 | $ 0
Accounts receivable, net | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 |
Credit Concentration Risk | Major Customer |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  | 10.00% | 0.00% |
Sales Revenue, Net | Customer Concentration Risk | Major Customer |  |  |  |  |  |  |  |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |  |  |  |  |  |  |  |
Concentration Risk, Percentage |  |  |  |  |  |  |  |  | 11.00% | 10.00% | 0.00%

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