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v3.19.3.a.u2

Deferred Revenue (Tables) | 12 Months Ended
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Dec. 31, 2019
Deferred Revenue |
Schedule of recognized revenue and remaining deferred revenue balance | The recognized revenue and remaining balance is shown below (in thousands):
|  | Amount
Deferred revenue balance - December 31, 2018 |  | $ | 27,883
New billings |  |  | 106,153
Revenue recognized |  |  | (110,046)
Deferred revenue balance - December 31, 2019 |  | $ | 23,990

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- Definition Tabular disclosure of contract balances and changes in contract balances. + 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=118956577&loc=SL49130551-203045 + Details
Name: | us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_ContractWithCustomerLiabilityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration