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Basis of Presentation and Summary of Significant Accounting Policies (Details) |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 07, 2021 USD ($) | Oct. 06, 2021 segment | Dec. 31, 2021 subsidiary | Dec. 31, 2021 USD ($) segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Oct. 08, 2021
Percentage of Consensus stock distributed |  | 80.10% |  |  |  |  |  |
Spinoff, stock received, ratio |  | 0.3333 |  |  |  |  |  |
Restructuring and related activities, proceeds from spinoff |  | $ 259,100,000 |  |  |  |  |  |
Issuance of senior notes |  | $ 500,000,000 |  |  |  |  |  |
Equity securities, FV-NI, gain (loss) |  |  |  |  | $ 69,300,000 |  |  |
Net translation foreign currency translation (loss)/gain |  |  |  |  | 21,268,000 | $ 8,902,000 | $ 1,626,000 |
Foreign exchange realized gains (losses) |  |  |  |  | 2,000,000 | (3,100,000) | (2,600,000) |
Impairment of long-lived assets to be disposed of |  |  |  |  |  |  | 0 |
Impairment of goodwill and intangible assets |  |  |  |  | 0 | 0 | 0 |
Research, development and engineering | [1] |  |  |  | 78,874,000 | 57,148,000 | 44,651,000 |
Advertising costs incurred |  |  |  |  | $ 243,700,000 | 159,800,000 | 115,700,000 |
Number of reportable segments |  |  | 3 | 2 | 2 |  |  |
Consensus Cloud Solutions |  |  |  |  |  |  |  |
Noncontrolling interest, ownership percentage by parent |  |  |  |  |  |  |  | 19.90%
COVID-19 |  |  |  |  |  |  |  |
Impairment of goodwill and intangible assets |  |  |  |  | $ 0 | $ 0 | $ 0 |
Minimum |  |  |  |  |  |  |  |
Weighted-average amortization period |  |  |  |  | 1 year |  |  |
Maximum |  |  |  |  |  |  |  |
Weighted-average amortization period |  |  |  |  | 20 years |  |  |
Equipment | Minimum |  |  |  |  |  |  |  |
Estimated useful lives of property and equipment |  |  |  |  | 1 year |  |  |
Equipment | Maximum |  |  |  |  |  |  |  |
Estimated useful lives of property and equipment |  |  |  |  | 10 years |  |  |
Software and Software Development Costs | Minimum |  |  |  |  |  |  |  |
Estimated useful lives of property and equipment |  |  |  |  | 1 year |  |  |
Software and Software Development Costs | Maximum |  |  |  |  |  |  |  |
Estimated useful lives of property and equipment |  |  |  |  | 5 years |  |  |
[1] |
(1) Includes share-based compensation expense as follows: |  |  |  |  |
Cost of revenues | $ | 306 |  |  | $ | 332 |  |  | $ | 154 |
Sales and marketing | 1,288 |  |  | 1,011 |  |  | 946 |
Research, development and engineering | 1,984 |  |  | 1,396 |  |  | 976 |
General and administrative | 20,551 |  |  | 19,781 |  |  | 20,390 |
Total | $ | 24,129 |  |  | $ | 22,520 |  |  | $ | 22,466 |

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