REVENUES - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Revenues	$ 3,320,791	$ 1,969,287	$ 6,290,473	$ 3,789,605
Other	180,770	199,068	356,636	396,219
Enterprise
Disaggregation of Revenue [Line Items]
Revenues	838,301	149,022	1,560,690	284,499
Enterprise \| Card-present
Disaggregation of Revenue [Line Items]
Revenues	219,384	79,640	411,847	152,215
Enterprise \| Card-not-present
Disaggregation of Revenue [Line Items]
Revenues	618,917	69,382	1,148,843	132,284
Platforms
Disaggregation of Revenue [Line Items]
Revenues	652,768	287,774	1,220,854	561,906
Platforms \| Embedded payments
Disaggregation of Revenue [Line Items]
Revenues	148,927	3,366	279,166	6,806
Platforms \| Integrated partners
Disaggregation of Revenue [Line Items]
Revenues	503,841	284,408	941,688	555,100
SMB
Disaggregation of Revenue [Line Items]
Revenues	1,648,952	1,333,423	3,152,293	2,546,981
SMB \| Americas
Disaggregation of Revenue [Line Items]
Revenues	1,174,344	991,215	2,254,821	1,922,083
SMB \| Rest of world
Disaggregation of Revenue [Line Items]
Revenues	$ 474,608	$ 342,208	$ 897,472	$ 624,898