CONVERTIBLE SENIOR NOTES (Narrative) (Details)	1 Months Ended	9 Months Ended
Sep. 25, 2020 USD ($) d $ / shares	Sep. 30, 2020 USD ($)
Debt Instrument [Line Items]
Issuance costs		$ 1,130,000
Convertible Senior Notes due 2025 [Member]
Debt Instrument [Line Items]
Principal amount sold	$ 632,500
Effective interest	0.00%	2.10%
Maturity date	Sep. 15, 2025
Conversion amount	$ 1,000
Conversion days \| d	30
Conversion rate \| $ / shares	$ 3.5997
Amount of conversion	$ 1,000
Conversion price \| $ / shares	$ 277.80
Amortized period		5 years
Issuance costs		$ 14,632
Allocated Issuance costs		13,502
Liability and equity components		$ 1,130

Allocated Issuance costs.

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Liability and equity components.

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Per share increase in conversion price of convertible common stock. Excludes change due to standard antidilution provision.

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The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The price per share of the conversion feature embedded in the debt instrument.

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Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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