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Acquisitions and Dispositions - Narrative (Details) $ in Thousands, € in Millions, £ in Millions, R$ in Millions |  |  |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |
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Apr. 05, 2024 USD ($) shares | Apr. 05, 2024 BRL (R$) shares | Apr. 04, 2024 USD ($) | Apr. 04, 2024 EUR (€) | Mar. 01, 2024 USD ($) shares | Mar. 01, 2024 GBP (£) shares | Jan. 02, 2024 USD ($) shares | Nov. 01, 2023 USD ($) shares | Oct. 02, 2023 USD ($) shares | Jul. 03, 2023 USD ($) | Apr. 25, 2023 USD ($) | Apr. 25, 2023 EUR (€) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Apr. 05, 2024 BRL (R$) | Apr. 04, 2024 EUR (€) | Mar. 01, 2024 GBP (£) | Dec. 31, 2023 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,504,650 |  | $ 1,504,650 |  |  |  |  | $ 1,498,815
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 671,168 | $ 632,265 | 1,341,227 | $ 1,254,709 |  |  |  |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  |  |  |  |  |  |  |  | (3,954) | (4,965) | (4,667) | (7,834) |  |  |  |
Huskies [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  |  | $ 6,000 | € 5.2 |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  | 2,600 |  |  |  |  |  |  |  |  |
Business Combination, Payables to Sellers |  |  |  |  |  |  |  |  |  |  | $ 1,000 | € 0.9 |  |  |  |  |  |  |  |
Tinsel |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | $ 1,600 |  |  |  |  |  |  |  |  |  |
Left Field Labs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  | $ 13,200 |  |  |  |  |  |  |  |  |  |  |
Closing cash payment |  |  |  |  |  |  |  |  | 9,400 |  |  |  |  |  |  |  |  |  |  |
Deferred acquisition consideration |  |  |  |  |  |  |  |  | 51,000 |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  | $ 7,900 |  |  |  |  |  |  |  |  |  |  |
Shares issued by the Company (shares) | shares |  |  |  |  |  |  |  |  | 825,402 |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  |  |  |  |  |  |  |  | $ 3,800 |  |  |  |  |  |  |  |  |  |  |
Movers and Shakers LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  | $ 14,700 |  |  |  |  |  |  |  |  |  |  |  |
Closing cash payment |  |  |  |  |  |  |  | 10,200 |  |  |  |  |  |  |  |  |  |  |  |
Deferred acquisition consideration |  |  |  |  |  |  |  | 35,000 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  | 8,200 |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  |  |  |  |  |  |  | $ 4,500 |  |  |  |  |  |  |  |  |  |  |  |
Movers and Shakers LLC | Common Class A |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued by the Company (shares) | shares |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Team Epiphany |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  | $ 15,800 |  |  |  |  |  |  |  |  |  |  |  |  |
Closing cash payment |  |  |  |  |  |  | 10,800 |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred acquisition consideration |  |  |  |  |  |  | $ 17,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | $ 7,237 |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  | 10,300 |  | 23,700 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net |  |  |  |  |  |  | $ 15,848 |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued by the Company (shares) | shares |  |  |  |  |  |  | 797,916 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  |  | $ 4,316 |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Pro Forma Revenue |  |  |  |  |  |  |  |  |  |  |  |  |  | 642,126 |  | 1,272,964 |  |  |  |
Business Acquisition, Pro Forma Net Income (Loss) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (3,852) |  | $ (5,973) |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest |  |  |  |  |  |  |  |  |  |  |  |  | $ 600 |  | $ 700 |  |  |  |  |
Team Epiphany | Customer Relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  |  | $ 3,767 |  |  |  |  |  |  |  |  |  |  |  |  |
Team Epiphany | Trade Names |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  |  |  |  | $ 549 |  |  |  |  |  |  |  |  |  |  |  |  |
Sidekick Live Limited |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  | $ 6,000 | £ 4.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing cash payment |  |  |  |  | 5,000 | £ 3.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred acquisition consideration |  |  |  |  | 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | £ 8.0 |
Goodwill |  |  |  |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued by the Company (shares) | shares |  |  |  |  | 195,431 | 195,431 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | £ 0.9 |
Business Combination, Consideration Transferred, Liabilities Incurred |  |  |  |  | $ 200 | £ 0.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
PROS Agency |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price | $ 9,000 | R$ 42.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing cash payment | 5,000 | R$ 23.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred acquisition consideration | 14,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | R$ 72.5 |  |  |
Goodwill | $ 5,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued by the Company (shares) | shares | 182,256 | 182,256 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | R$ 5.3 |  |  |
What's Next Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  | $ 5,000 | € 4.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred acquisition consideration |  |  | 9,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 8.5 |  |
Goodwill |  |  | $ 5,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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