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Deferred Contract Acquisition and Fulfillment Costs (Tables) | 9 Months Ended
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Sep. 30, 2020
Revenue from Contract with Customer [Abstract] |
Summary of Activity of Deferred Contract Acquisition and Fulfillment Costs | The following table summarizes the activity of the deferred contract acquisition and fulfillment costs for the nine months ended September 30, 2020 and 2019:
|  | Nine Months Ended September 30,
|  | 2020 |  | 2019
|  | (in thousands)
Beginning balance |  | $ | 51,260 |  |  | $ | 39,955 |
Capitalization of contract acquisition and fulfillment costs |  | 19,932 |  |  | 16,084 |
Amortization of deferred contract acquisition and fulfillment costs |  | (14,654) |  |  | (10,682) |
Ending balance |  | $ | 56,538 |  |  | $ | 45,357 |

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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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