SEGMENT AND GEOGRAPHICAL INFORMATION - Reconciliation of Total Segment Profit to Loss before applicable Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting [Abstract]
Total segment gross profit	$ 2,249,685	$ 1,898,449	$ 6,577,638	$ 5,479,134
Less: Product development	710,983	713,788	2,144,720	2,035,397
Less: Sales and marketing	511,755	479,381	1,463,202	1,512,999
Less: General and administrative	475,855	480,885	1,420,683	1,463,003
Less: Transaction, loan, and consumer receivable losses	192,062	177,338	549,603	485,005
Less: Amortization of customer and other intangible assets	36,021	56,965	120,116	130,917
Less: Interest expense (income), net	13,811	(21,415)	(6,805)	(28,520)
Less: Other expense (income), net	(14,949)	23,912	(193,241)	(68,440)
Income (loss) before income tax	$ 324,147	$ (12,405)	$ 1,079,360	$ (51,227)

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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