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REVENUE RECOGNITION (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Summary of Revenue Disaggregation

Disaggregated revenue by primary geographical market and timing of revenue recognition for the Company’s single product line are as follows:

			Three Months Ended September 30,												Nine Months Ended September 30,
			2021						2020						2021						2020
			(In thousands)
Primary geographical markets:
U.S.			$	267,553					$	139,924					$	769,911					$	420,315
International			83,966						38,579						199,419						89,271
Total			$	351,519					$	178,503					$	969,330					$	509,586
Timing of revenue recognition:
Products delivered at a point in time			$	336,359					$	166,729					$	927,330					$	475,707
Products and services delivered over time			15,160						11,774						42,000						33,879
Total			$	351,519					$	178,503					$	969,330					$	509,586

Summary of Contract Assets and Contract Liabilities, and Changes in Balances from Contracts with Customers

Receivables, and contract assets and contract liabilities from contracts with customers are as follows:

			September 30, 2021						December 31, 2020
			(In thousands)
Receivables			$	273,012					$	182,165
Short-term contract assets (Prepaid expenses and other assets)			22,461						17,879
Long-term contract assets (Other assets)			67,380						51,986
Short-term contract liabilities (Deferred revenues, current)			59,232						47,665
Long-term contract liabilities (Deferred revenues, non-current)			177,249						125,473

Significant changes in the balances of contract assets (prepaid expenses and other assets) during the nine months ended September 30, 2021 are as follows (in thousands):

Contract Assets
Contract Assets, beginning of period			$	69,865
Amount recognized			(15,957)
Increase			35,933
Contract Assets, end of period			$	89,841

Significant changes in the balances of contract liabilities (deferred revenues) during the nine months ended September 30, 2021 are as follows (in thousands):

Contract Liabilities
Contract Liabilities, beginning of period			$	173,138
Revenue recognized			(48,704)
Increase due to billings			112,047
Contract Liabilities, end of period			$	236,481

Summary of Estimated Revenue Expected to be Recognized in Future Periods

Estimated revenue expected to be recognized in future periods related to performance obligations that are unsatisfied or partially unsatisfied at the end of the reporting period are as follows:

			September 30, 2021
			(In thousands)
Fiscal year:
2021 (remaining three months)			$	16,241
2022			56,803
2023			50,566
2024			45,344
2025			38,377
Thereafter			29,150
Total			$	236,481

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- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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- References

No definition available.

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X

- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045

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