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DISCONTINUED OPERATIONS - Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Jun. 30, 2026	Dec. 31, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net		$ 16,577	$ 19,005
Developed Technology and Merchant Relationships
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Carrying Amount			71,803
Accumulated Amortization			(66,250)
Net			5,553
Developed technology
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Carrying Amount			49,873
Accumulated Amortization			(45,055)
Net			4,818
Weighted Average Remaining Useful Life	1 year 6 months
Merchant relationships
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gross Carrying Amount			21,930
Accumulated Amortization			(21,195)
Net			$ 735
Weighted Average Remaining Useful Life	4 months 24 days