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Business Combinations - Meetrics GmbH (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Nov. 22, 2021 | Aug. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2019 | Dec. 31, 2020
Intangible assets: |  |  |  |  |
Goodwill |  |  | $ 350,560 |  | $ 227,349
Liabilities |  |  |  |  |
Aggregate net cash purchase price |  |  | $ 149,217 | $ 57,252 |
Non-compete agreements |  |  |  |  |
Liabilities |  |  |  |  |
Estimated useful life |  |  | 2 years |  |
Meetrics GmbH |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents |  | $ 1,007 |  |  |
Trade receivables |  | 778 |  |  |
Other assets |  | 96 |  |  |
Property, plant and equipment |  | 10 |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets |  | 9,571 |  |  |
Goodwill |  | 15,609 |  |  |
Total assets acquired |  | 27,071 |  |  |
Liabilities |  |  |  |  |
Trade payables |  | 147 |  |  |
Other current liabilities |  | 361 |  |  |
Deferred tax liability |  | 1,233 |  |  |
Total liabilities assumed |  | 1,741 |  |  |
Total purchase consideration |  | 25,330 |  |  |
Net cash purchase price |  | 24,323 |  |  |
Aggregate net cash purchase price |  | $ 24,300 |  |  |
Weighted-average useful life |  | 11 years 6 months |  |  |
Acquisition cost |  | $ 900 |  |  |
Meetrics GmbH | Developed technology |  |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets |  | $ 2,245 |  |  |
Liabilities |  |  |  |  |
Estimated useful life |  | 4 years |  |  |
Meetrics GmbH | Customer relationships |  |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets |  | $ 7,208 |  |  |
Liabilities |  |  |  |  |
Estimated useful life |  | 14 years |  |  |
Meetrics GmbH | Trademarks |  |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets |  | $ 47 |  |  |
Liabilities |  |  |  |  |
Estimated useful life |  | 1 year |  |  |
Meetrics GmbH | Non-compete agreements |  |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets |  | $ 71 |  |  |
Liabilities |  |  |  |  |
Estimated useful life |  | 2 years |  |  |
Open Slate |  |  |  |  |
Assets |  |  |  |  |
Cash and cash equivalents | $ 8,549 |  |  |  |
Trade receivables | 5,460 |  |  |  |
Escrow assets | 2,000 |  |  |  |
Prepaid expenses | 66 |  |  |  |
Other assets | 167 |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets | 41,300 |  |  |  |
Goodwill | 108,570 |  |  |  |
Total assets acquired | 166,112 |  |  |  |
Liabilities |  |  |  |  |
Trade payables | 226 |  |  |  |
Other current liabilities | 2,373 |  |  |  |
Escrow liabilities | 2,000 |  |  |  |
Deferred tax liability | 5,544 |  |  |  |
Total liabilities assumed | 10,143 |  |  |  |
Total purchase consideration | 155,969 |  |  |  |
Net cash purchase price | 147,420 |  |  |  |
Cash acquired | $ (8,549) |  |  |  |
Weighted-average useful life | 9 years |  |  |  |
Acquisition cost | $ 2,200 |  |  |  |
Open Slate | Developed technology |  |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets | $ 6,700 |  |  |  |
Liabilities |  |  |  |  |
Estimated useful life | 4 years |  |  |  |
Open Slate | Customer relationships |  |  |  |  |
Intangible assets: |  |  |  |  |
Total intangible assets | $ 34,600 |  |  |  |
Liabilities |  |  |  |  |
Estimated useful life | 10 years |  |  |  |

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