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Revenue from Contracts with Customer (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2020

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Contract Assets and Contract Liabilities

Contract Assets and Contract Liabilities

		December 31,			September 30,
		2019			2020
Contract assets		$	644		$	313
Deferred revenues			213,145			179,900

		January 1,			December 31,
		2019			2019
Contract assets		$	173		$	644
Deferred revenues			212,529			213,145

Disaggregation of Revenue by Type and Location

		Nine Months Ended
		September 30,
		2019			2020
Revenues:
Subscriptions:
SELECT subscriptions		$	196,564		$	199,848
Enterprise license subscriptions			135,959			165,268
Term license subscriptions			112,815			135,895
Subscriptions			445,338			501,011
Perpetual licenses:
Perpetual licenses			38,255			36,020
Subscriptions and licenses			483,593			537,031
Services:
Professional services (recurring)			15,682			11,624
Professional services (other)			34,457			33,322
Services			50,139			44,946
Total revenues		$	533,732		$	581,977

		Year Ended December 31,
		2018			2019
		Topic 605			Topic 605			Topic 606
Revenues:
Subscriptions:
SELECT subscription revenues		$	273,745		$	267,340		$	267,249
Enterprise license subscriptions			182,816			196,081			184,833
Term license subscriptions			100,860			150,504			156,218
Subscriptions			557,421			613,925			608,300
Perpetual licenses:
Perpetual licenses			61,065			52,519			59,693
Subscriptions and licenses			618,486			666,444			667,993
Services:
Professional services (recurring)			25,981			22,974			22,797
Professional services (all other)			47,243			45,431			45,864
Services			73,224			68,405			68,661
Total revenues		$	691,710		$	734,849		$	736,654

X

- 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=121604090&loc=SL49130551-203045

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X

- 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=121604090&loc=SL49130545-203045

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- References

No definition available.

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