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Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2020
Revenue from Contract with Customer [Abstract] |
Summary of revenue | The following table presents a summary of revenue:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands) | 2020 |  | 2019 |  | 2020 |  | 2019
Subscription revenue | $ | 92,010 |  |  | $ | 69,370 |  |  | $ | 178,400 |  |  | $ | 134,107 |
Perpetual license and maintenance revenue | 12,179 |  |  | 13,553 |  |  | 25,598 |  |  | 27,080 |
Professional services and other revenue | 3,020 |  |  | 2,461 |  |  | 5,859 |  |  | 4,498 |
Revenue | $ | 107,209 |  |  | $ | 85,384 |  |  | $ | 209,857 |  |  | $ | 165,685 |
Activity of deferred contract costs | The following summarizes the activity of deferred incremental costs of obtaining a contract:
| Three Months Ended June 30, |  | Six Months Ended June 30,
(in thousands) | 2020 |  | 2019 |  | 2020 |  | 2019
Beginning balance | $ | 70,742 |  |  | $ | 59,811 |  |  | $ | 72,265 |  |  | $ | 59,434 |
Capitalization of contract acquisition costs | 8,892 |  |  | 8,608 |  |  | 15,013 |  |  | 15,234 |
Amortization of deferred contract acquisition costs | (7,866 | ) |  | (6,553 | ) |  | (15,510 | ) |  | (12,802 | )
Ending balance | $ | 71,768 |  |  | $ | 61,866 |  |  | $ | 71,768 |  |  | $ | 61,866 |

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- Definition Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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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=121604090&loc=SL49130545-203045 + Details
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