SEGMENT AND GEOGRAPHICAL INFORMATION - Reconciliation of Total Segment Profit to Income before applicable Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross profit	$ 5,991,892	$ 4,419,823	$ 2,733,409
Less: Product development	2,135,612	1,383,841	881,826
Less: Sales and marketing	2,057,951	1,617,189	1,109,670
Less: General and administrative	1,686,849	982,817	579,203
Less: Transaction, loan, and consumer receivable losses	550,683	187,991	177,670
Less: Bitcoin impairment losses	46,571	71,126	0
Less: Amortization of customer and other intangible assets	138,758	15,747	3,855
Less: Interest expense, net	36,228	33,124	56,943
Other income, net	(95,443)	(29,474)	(291,725)
Income (loss) before income tax	(565,317)	157,462	215,967
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gross profit	$ 5,991,892	$ 4,419,823	$ 2,733,409