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Acquisitions, Intangible Assets, and Goodwill - Acquisitions, Narrative (Details) $ in Thousands |  |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 11, 2026 USD ($) | Nov. 12, 2025 USD ($) | Jul. 11, 2025 USD ($) | Dec. 31, 2024 USD ($) | Aug. 15, 2024 USD ($) | Jul. 11, 2024 USD ($) payment | Apr. 29, 2024 USD ($) payment | Dec. 01, 2023 USD ($) | Feb. 23, 2023 USD ($) | Jul. 31, 2024 USD ($) shares | May 31, 2024 zł / shares shares | Mar. 31, 2024 USD ($) | Feb. 28, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 54,299 | $ 54,299 |  | $ 24,879
Payments to acquire additional interest in subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,870 | $ 0 |
Brand 24 Management |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Post-acquisition compensation expense awarded |  |  |  |  |  |  |  |  |  |  |  |  |  | 227 | $ 377 |  |
Subsidiaries | Brand24 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding shares (in shares) | shares |  |  |  |  |  |  |  |  |  | 135,500 |  |  |  |  |  |  |
Payments to acquire additional interest in subsidiary |  |  |  |  |  |  |  |  |  | $ 3,684 |  |  |  |  |  |  |
Number of shares owned (in shares) | shares |  |  |  |  |  |  |  |  |  | 312,974 |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  |  | 72.00% |  |  |  |  |  |  |
Subsidiaries | Brand24 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tender Offer, number of shares to be purchased (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 944,616 |  |  |  |  |  |
Tender Offer, subscription price per share (in PLN per share) | zł / shares |  |  |  |  |  |  |  |  |  |  | zł 47.0 |  |  |  |  |  |
Content |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years 8 months 12 days |  | 2 years 3 months 18 days
Customer relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years 4 months 24 days |  | 4 years 4 months 24 days
Developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years 1 month 6 days |  | 4 years 1 month 6 days
Trade name |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years 6 months |  | 3 years 8 months 12 days
Backlinko, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  | $ 2,950 |  |  |  |  |  |  |  |  |  |  |  |
Business combination, holdback amount |  |  |  |  | 531 |  |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  |  |  | 1,062 |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 1,888 |  |  |  |  |  |  |  |  |  |  |  |
Transaction cost |  |  |  |  |  |  |  |  |  |  |  |  |  | 119 | $ 128 |  |
Backlinko, LLC | Content |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |
Backlinko, LLC | Customer relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |
Backlinko, LLC | Developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |
Ryte |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  | $ 10,482 |  |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,630 | 2,630 |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,489 | 10,489 |  |
Transaction cost |  |  |  |  |  |  |  |  |  |  |  |  |  | 494 | 721 |  |
Outstanding capital acquired (as percent) |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  | $ 10,482 |  |  |  |  |  |  |  |  |  |  |
Number of deferred purchase payments | payment |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
Fair value of deferred purchase payments |  |  |  |  |  | $ 1,572 |  |  |  |  |  |  |  |  |  |  |
Fair value of assets acquired and liabilities assumed, net |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,482 | 10,482 |  |
Cash consideration for acquisition |  |  |  |  |  | $ 8,910 |  |  |  |  |  |  |  |  |  |  |
Ryte | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of deferred purchase payments | $ 786 |  | $ 786 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ryte | Customer relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Ryte | Developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |  |
Ryte | Trade name |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |
Brand24 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  | $ 13,528 |  |  |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,350 | 9,350 |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,846 | 15,846 |  |
Transaction cost |  |  |  |  |  |  |  |  |  |  |  |  |  | 215 | 605 |  |
Outstanding capital acquired (as percent) |  |  |  |  |  |  | 58.00% |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  | $ 23,374 |  |  |  |  |  |  |  |  |  |
Number of deferred purchase payments | payment |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Fair value of deferred purchase payments |  |  |  |  |  |  | $ 2,878 |  |  |  |  |  |  |  |  |  |
Fair value of noncontrolling interest |  |  |  |  |  |  | $ 9,846 |  |  |  |  |  |  | 9,846 | 9,846 |  |
Deferred purchase payments, interest accrual (as a percent) |  |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |
Fair value of assets acquired and liabilities assumed, net |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,374 | 23,374 |  |
Cash consideration for acquisition |  |  |  |  |  |  | $ 10,650 |  |  |  |  |  |  |  |  |  |
Brand24 | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of deferred purchase payments |  | $ 1,500 |  | $ 1,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Brand24 | Customer relationships |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |
Brand24 | Developed technology |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Brand24 | Trade name |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of acquired intangibles (in years) |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |
Datos |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  | $ 13,855 |  |  |  |  |  |  |  |  |
Identifiable intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,780 | 2,780 |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,791 | 16,791 |  |
Transaction cost |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 100 |  |
Outstanding capital acquired (as percent) |  |  |  |  |  |  |  | 60.00% |  |  |  |  |  |  |  |  |
Fair value of noncontrolling interest |  |  |  |  |  |  |  | $ 5,166 |  |  |  |  |  | 5,166 | 5,166 |  |
Fair value of assets acquired and liabilities assumed, net |  |  |  |  |  |  |  | 19,021 |  |  |  |  |  | $ 19,021 | $ 19,021 |  |
Other consideration |  |  |  |  |  |  |  |  |  |  |  | $ 501 |  |  |  |  |
Cash consideration for acquisition |  |  |  |  |  |  |  | $ 4,255 |  |  |  |  |  |  |  |  |
Traffic Think Tank |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  | $ 1,800 |  |  |  |  |  |  |  |
Traffic Think Tank | 12-Month Holdback Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash consideration for acquisition |  |  |  |  |  |  |  |  |  |  |  |  | $ 360 |  |  |  |
Business combination, holdback period |  |  |  |  |  |  |  |  | 12 months |  |  |  |  |  |  |  |
Traffic Think Tank | 18-Month Holdback Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, holdback amount |  |  |  |  |  |  |  |  | $ 360 |  |  |  |  |  |  |  |
Business combination, holdback period |  |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |

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