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Acquisitions - Narrative (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Oct. 04, 2019 | Jul. 01, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition purchase price paid in cash |  |  | $ 0 | $ 28,907,000 | $ 0
Diagnosys Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash purchase price | $ 7,000,000.0 |  |  |  |
Contingent consideration, fair value | 2,500,000 |  |  |  |
Potential additional earn-out | $ 13,000,000.0 |  |  |  |
Achievement period (in years) | 3 years |  |  |  |
Earn-out achievement benchmark | $ 72,000,000.0 |  |  |  |
Freedom Communication Technologies, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business acquisition purchase price paid in cash |  | $ 21,800,000 |  |  |
Cash acquired |  | $ 600,000 |  |  |

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- Definition For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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