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BUSINESS COMBINATIONS - Narrative (Details) $ / shares in Units, $ in Thousands								1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended		10 Months Ended
	May 12, 2026 USD ($) tranche	Apr. 21, 2026 USD ($)	Mar. 03, 2026 USD ($) shares	Jan. 23, 2026 USD ($)	Sep. 03, 2025 USD ($)	Aug. 06, 2024 USD ($) $ / shares shares	Jan. 03, 2024 USD ($) shares	Apr. 30, 2025 USD ($) shares	Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Payment to settle contingent acquisition liabilities												$ 3,538	$ 198
(Loss) gain on recognized related to the contingent earnout consideration										$ 3,697	$ (31,359)	43,089	144,741
Decrease in goodwill												0	494
Contingent acquisition liabilities (Current)									$ 0	0		0		$ 0	$ 4,400
MIPA Agreement
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Asset acquisition, consideration	$ 30,200
Payments to acquire assets												26,100
Deferred holdback liability	$ 1,500
Number of tranches | tranche	2
Performance-based metrics period (in years)	2 years
Contingent consideration	$ 0								$ 0
MIPA Agreement | Customer relationships
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Purchase price allocation to the identifiable intangible assets	$ 28,000
Useful life	9 years
Class A Common Stock | Executive Officer | Unvested Restricted Stock
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity instruments granted (in shares) | shares							2,033,156
SYNQ3, Inc
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase consideration							$ 15,800
Payments to purchase consideration							$ 3,900
Equity consideration (in shares) | shares							5,755,910
SYNQ3, Inc | Class A Common Stock
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity consideration (in shares) | shares								472,501
Payment to settle contingent acquisition liabilities								$ 200
SYNQ3, Inc | Restricted Stock
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity consideration (in shares) | shares							2,033,156
SYNQ3, Inc | Contingent consideration, holdback liability
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity consideration (in shares) | shares							1,179,514
Withheld purchase consideration in cash							$ 500
SYNQ3, Inc | Contingent consideration, holdback liability | Common Stock
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Indemnification period							15 months
SYNQ3, Inc | Contingent earnout consideration
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Withheld purchase consideration in cash			$ 100
Upper range of additional consideration							$ 800
Contingent consideration liability, up to (in shares) | shares							1,434,936
(Loss) gain on recognized related to the contingent earnout consideration										0	3,600	(400)	8,700
SYNQ3, Inc | Contingent earnout consideration | Class A Common Stock
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity consideration (in shares) | shares			246,761
Amelia Technologies, LLC
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Decrease in accrued liabilities decrease													100
Decrease in other current liabilities													400
Decrease in goodwill													500
Amelia Technologies, LLC | Contingent earnout consideration
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
(Loss) gain on recognized related to the contingent earnout consideration										4,000	$ (32,600)	41,400	$ 136,100
Amelia Technologies, LLC | Upfront Consideration | Class A Common Stock
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity consideration (in shares) | shares						3,809,520
Amelia Technologies, LLC | Escrow Consideration Withholding
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Equity consideration (in shares) | shares						2,149,530
Indemnification asset						$ 1,400
Share price (in dollars per share) | $ / shares						$ 5.35
Amelia Technologies, LLC | Upfront Purchase Consideration
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase consideration						$ 98,600
Contingent consideration liability (in shares) | shares						16,822,429
Interactions Acquisition
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total purchase consideration					$ 76,083
Payments to purchase consideration					65,033
Cash paid					4,100
Contingent consideration, liability					$ 41,500
Payments to settle a portion of contingent consideration				$ 4,700
Acquisition related expenses										0		500		$ 5,500
Interactions Acquisition | Customer relationships
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Useful life					5 years
Interactions Acquisition | Selling shareholders
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Payments to purchase consideration					$ 19,400
Interactions Acquisition | Contingent earnout consideration
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Upper range of additional consideration					25,000
(Loss) gain on recognized related to the contingent earnout consideration										$ (300)		$ 2,100
Contingent liability					9,900
Interactions Acquisition | Contingent Consideration Deferred Holdback
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Contingent consideration, liability					1,200
Contingent liability					1,150
Interactions Acquisition | Contingent Consideration, Adjustment Holdback
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Contingent consideration, liability					$ 1,000
Interactions Acquisition | Contingent Consideration, Interaction Indemnity Holdback
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Indemnification period					12 months
Contingent consideration, liability					$ 200
LivePerson, Inc
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Contingent acquisition liabilities (Current)		$ 42,800
LivePerson, Inc | Secured Notes
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Contingent consideration, liability		$ 261,200

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