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Revenue (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Summary of opening and closing balances | The following table summarizes the opening and closing balances of our accounts receivable, net; contract assets, current; contract assets, non-current; deferred revenue, current; and deferred revenue, non-current (in thousands):
| Accounts receivable, net (1) |  | Contract assets, current |  | Contract assets, non-current |  | Deferred revenue, current |  | Deferred revenue, non-current
Beginning balances as of January 1, 2021 | $ | 676,738 |  |  | $ | 13,534 |  |  | $ | 54,050 |  |  | $ | 101,258 |  |  | $ | 71,242 |
Closing balances as of June 30, 2021 | 726,382 |  |  | 33,614 |  |  | 53,137 |  |  | 104,568 |  |  | 68,992 |
Increase (Decrease) | $ | 49,644 |  |  | $ | 20,080 |  |  | $ | (913) |  |  | $ | 3,310 |  |  | $ | (2,250) |
(1) The net change in our allowance for credit losses was insignificant during the six months ended June 30, 2021.

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- 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=123351226&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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