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v3.22.1

Investments (Detail) $ in Thousands, € in Millions, $ in Millions | 1 Months Ended | 12 Months Ended | 36 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 31, 2019 USD ($) shares | Oct. 31, 2019 AUD ($) shares | Dec. 31, 2018 USD ($) shares | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 EUR (€) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 AUD ($) | Oct. 31, 2021 USD ($) | Oct. 31, 2021 AUD ($) | Dec. 31, 2020 AUD ($) | Dec. 31, 2019 AUD ($) | Dec. 31, 2019 EUR (€) | Oct. 31, 2019 AUD ($) | Dec. 31, 2018 AUD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other than temporary impairment of available for sale debt security |  |  |  |  | $ 4,900 |  |  |  |  |  |  |  |  |  |  |
Conversion of available-for-sale debt security into other equity security |  |  |  | $ 0 | 0 |  | $ 791 |  |  |  |  |  |  |  |  |
Change in fair value of other equity securities |  |  |  | $ 1,812 | $ 0 |  | 0 |  |  |  |  |  |  |  |  |
Mylo | Nonvoting Common Stock Class C |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares purchased | shares |  |  | 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Value of shares purchased |  |  | $ 3,000 |  |  |  |  |  |  |  |  |  |  |  |  |
LegalZoom | LawPath |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest |  |  |  | 14.00% | 14.00% |  |  |  | 14.00% |  |  | 14.00% |  |  |  |
LegalZoom | Mylo |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity interest |  |  |  | 4.00% |  |  |  |  | 4.00% |  |  |  |  |  |  |
Legal Vision |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible promissory note |  |  |  |  |  |  | $ 700 | $ 700 |  |  |  |  | $ 1.0 |  |  |
Convertible promissory note, term |  |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |
Fair value of available for sale debt security |  |  |  | $ 1,100 | $ 1,000 |  |  |  | $ 1.5 |  |  | $ 1.4 |  |  |  |
Legal Vision | Expected term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measurement Input |  |  |  | 7.3 |  |  |  |  | 7.3 |  |  |  |  |  |  |
Legal Vision | Risk-free rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measurement Input |  |  |  | 0.015 |  |  |  |  | 0.015 |  |  |  |  |  |  |
Legal Vision | Volatility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Measurement Input |  |  |  | 0.55 |  |  |  |  | 0.55 |  |  |  |  |  |  |
Firma |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible promissory note, term |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |
Revenue target | € |  |  |  |  |  |  |  |  |  |  |  |  |  | € 5.0 |  |
Other than temporary impairment of available for sale debt security |  |  |  |  | $ 4,800 | € 4.3 |  |  |  |  |  |  |  |  |  |
LawPath |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible promissory note |  |  | $ 800 |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.1
Other equity securities | $ 700 |  |  |  |  |  |  |  |  | $ 1,100 | $ 1.5 |  |  |  | $ 1.0 |
Conversion of available-for-sale debt security into other equity security | $ 800 | $ 1.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares converted | shares | 4,215 | 4,215 |  |  |  |  |  |  |  |  |  |  |  |  |  |

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