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Acquisitions and Divestitures - Openwave (Details) - USD ($) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Mar. 01, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Business Acquisition [Line Items] |  |  |  |
Goodwill |  | $ 231,941 |  | $ 224,651
Openwave Messaging |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Other consideration transferred | $ 10,000 |  |  |
Cash consideration for outstanding Intralinks' common shares | 102,538 |  |  |
Equity issued for consideration | (22,000) | 0 | $ (22,000) |
Intellectual Property Settlement | (10,000) |  |  |
Total consideration transferred | 114,538 |  |  |
Total cash consideration transferred | 92,538 |  |  |
Cash | 4,110 |  |  |
Prepaid expenses and other assets | 3,005 |  |  |
Property, Plant & Equipment | 2,882 |  |  |
Long term assets | 1,870 |  |  |
Goodwill | 81,015 |  |  |
Total assets acquired | 154,982 |  |  |
Accounts payable and accrued liabilities | 17,622 |  |  |
Deferred revenues | 7,331 |  |  |
Long term liabilities | 15,491 |  |  |
Net assets acquired | 114,538 |  |  |
Openwave Messaging | Trade names |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets | $ 1,000 |  |  |
Intangible assets, weighted average life | 1 year |  |  |
Openwave Messaging | Developed Technology Rights |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets | $ 32,100 |  |  |
Intangible assets, weighted average life | 7 years |  |  |
Openwave Messaging | Customer Relationships |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets | $ 29,000 |  |  |
Intangible assets, weighted average life | 10 years |  |  |
Selling, general and administrative |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Acquisition related costs |  | $ 13,000 | $ 2,000 |

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