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Revenue - Contract Assets and Deferred Revenue Schedule (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Capitalized Contract Cost [Line Items] |  |  |
Contract assets | [1] | $ 13,969 | $ 3,834
Deferred revenue |  | 6,333 | 5,330
Prepaid Expenses and Other Current Assets [Member] |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Contract assets |  | 13,969 | 3,834
Other Noncurrent Liabilities [Member] |  |  |
Capitalized Contract Cost [Line Items] |  |  |
Deferred revenue |  | $ 43,450 | $ 46,922
[1] | Contract assets reflect the satisfied performance obligations for which the Company does not yet have an unconditional right to consideration.

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