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Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Summary of Activity of Deferred Revenue and Customer Advances

The following is a summary of the activity of the Company’s deferred revenue and customer advances for the year ended December 31, 2020, 2019 and 2018 (in thousands):

		December 31,
		2020				2019				2018
Balance at the beginning of the period		$	213,695			$	204,257			$	192,589
Recognition of revenue included in balance at beginning of the period			(198,209	)			(176,981	)			(159,258	)
Revenue deferred during the period, net of revenue recognized			224,273				186,419				170,926
Balance at the end of the period		$	239,759			$	213,695			$	204,257

Schedule of Amount of Deferred Revenue and Customer Advances

		December 31, 2020
Deferred revenue and customer advances expected to be recognized in:
One year or less		$	198,240
13-24 months			23,647
25 months and beyond			17,872
Total		$	239,759

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

- References

No definition available.

+ Details

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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=121604090&loc=SL49130556-203045

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