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Description of Business and Summary of Significant Accounting Policies (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) segment option_to_extend | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Aug. 20, 2018
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of reportable business segments | segment | 5 |  |  |
Advertising costs | $ 19,400 | $ 13,000 | $ 15,200 |
Forgivable loans, forgiveness period, minimum | 1 year |  |  |
Forgivable loans, forgiveness period, maximum | 10 years |  |  |
Definite-lived intangible assets amortization period | 12 years 2 months 12 days |  |  |
Number of option to extend | option_to_extend | 1 |  |  |
Aggregate principal amount | $ 316,219 | 316,245 |  |
2023 Convertible Notes |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Aggregate principal amount | $ 316,219 | $ 316,245 |  |
Senior Notes | 2023 Convertible Notes |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Interest rate (as a percent) | 2.00% |  |  | 2.00%
Aggregate principal amount | $ 1 |  |  |
Software and Software Development Costs |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful of furniture, equipment and internal use software (in years) | 3 years |  |  |
Minimum |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Definite-lived intangible assets amortization period | 1 year |  |  |
Minimum | Furniture, Equipment, And Internal-Use Software |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful of furniture, equipment and internal use software (in years) | 1 year |  |  |
Maximum |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Definite-lived intangible assets amortization period | 15 years |  |  |
Lessee renewal term | 7 years |  |  |
Maximum | Furniture, Equipment, And Internal-Use Software |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful of furniture, equipment and internal use software (in years) | 11 years |  |  |
Non U.S | Geographic Concentration Risk | Consolidated Revenues |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Revenue from the work of professionals | 37.00% |  |  |

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