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Number of Third Party Processors

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Settlements Receivable, Period For Settlement

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of increase (decrease) in debt instruments, classified as other.

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Amount of selling and marketing expense classified as other.

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 01, 2021 USD ($)	Sep. 30, 2021 USD ($) customer	Sep. 30, 2020 USD ($) customer	Sep. 30, 2021 USD ($) third_party_processor customer	Sep. 30, 2020 USD ($) customer	Dec. 31, 2020 USD ($) third_party_processor
Concentration Risk [Line Items]
Advertising costs		$ 123,100	$ 75,700	$ 296,400	$ 145,800
Selling and marketing expenses not directly related to a revenue generating transaction		183,200	$ 208,400	555,900	$ 465,100
Impact of accounting standards update adoption		$ 2,959,825		$ 2,959,825		$ 2,681,569
Cumulative Effect, Period of Adoption, Adjustment \| Accounting Standards Update 2020-06 \| Convertible Debt
Concentration Risk [Line Items]
Debt instrument increase	$ 399,700
Cumulative Effect, Period of Adoption, Adjustment \| Accounting Standards Update 2020-06 \| Retained earnings (Accumulated deficit)
Concentration Risk [Line Items]
Impact of accounting standards update adoption	103,000
Cumulative Effect, Period of Adoption, Adjustment \| Accounting Standards Update 2020-06 \| Additional paid-in capital
Concentration Risk [Line Items]
Impact of accounting standards update adoption	$ (502,700)
Minimum
Concentration Risk [Line Items]
Settlements receivable period				1 day
Maximum
Concentration Risk [Line Items]
Settlements receivable period				2 days
Revenue Benchmark \| Customer Concentration Risk
Concentration Risk [Line Items]
Number of customers accounting for greater than 10% of total net revenue \| customer		0	0	0	0
Settlements Receivable \| Credit Concentration Risk
Concentration Risk [Line Items]
Number of third party processors \| third_party_processor				2		2
Settlements Receivable \| Credit Concentration Risk \| Third Party Processor One
Concentration Risk [Line Items]
Concentration risk				50.00%		59.00%
Settlements Receivable \| Credit Concentration Risk \| Third Party Processor Two
Concentration Risk [Line Items]
Concentration risk				34.00%		27.00%