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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) segment payment_processor	Jun. 30, 2025 USD ($)	Dec. 31, 2025 payment_processor
Concentration Risk [Line Items]
Number of reportable segments \| segment			2
Advertising costs	$ 137.3	$ 119.0	$ 239.4	$ 209.6
Selling and marketing expenses not directly related to a revenue generating transaction	$ 279.8	$ 211.6	$ 576.4	$ 415.1
Minimum
Concentration Risk [Line Items]
Settlements receivable period (in days)			1 day
Maximum
Concentration Risk [Line Items]
Settlements receivable period (in days)			2 days
Settlements Receivable \| Credit Concentration Risk
Concentration Risk [Line Items]
Number of third party processors \| payment_processor			4		4
Third Party Processor, 1 \| Settlements Receivable \| Credit Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as percent)			44.00%		36.00%
Third Party Processor, 2 \| Settlements Receivable \| Credit Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as percent)			14.00%		25.00%
Third Party Processor, 3 \| Settlements Receivable \| Credit Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as percent)			14.00%		11.00%
Third Party Processor, 4 \| Settlements Receivable \| Credit Concentration Risk
Concentration Risk [Line Items]
Concentration risk (as percent)			11.00%		10.00%