Fair Value Measurements Narrative (Details) - USD ($) |
3 Months Ended | |
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Mar. 31, 2020 |
Mar. 31, 2019 |
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| Changes in fair value and other [Abstract] | ||
| Change in fair value | $ 36,000 | $ (289,000) |
| Synacor [Member] | ||
| Business Combination Transaction-related Expense [Line Items] | ||
| Business Combination, Number Of Shares Of Acquiree Received Per Company Share | $ 1.61 | |
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- Definition Business Combination, Number Of Shares Of Acquiree Received Per Company Share No definition available.
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- Definition [Line Items] for Business Combination Transaction-related Expense [Table] No definition available.
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- Definition Changes in Fair Value and Other [Abstract] No definition available.
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- Definition Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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