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Revenue
 9 Months Ended
Sep. 30, 2020
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
Contract Balances
The following table summarizes the opening and closing balances of the Company's accounts receivable, net; contract asset, current; contract asset, non-current; deferred revenue, current; and deferred revenue, non-current (in thousands):
Accounts receivable, netContract assets, currentContract assets, non-currentDeferred revenue, currentDeferred revenue, non-current
Beginning balances as of January 1, 2020
$689,134 $10,033 $31,521 $76,193 $46,555 
Closing balances as of September 30, 2020
705,509 10,390 57,538 100,547 66,485 
Increase$16,375 $357 $26,017 $24,354 $19,930 
The difference between the opening and closing balances of the Company's accounts receivable, net, contract assets and deferred revenues primarily results from revenue growth and the timing difference between the satisfaction of the Company's performance obligation and the customer's payment, as well as business combinations closed during the nine months ended September 30, 2020. The amount of revenue recognized during the nine months ended September 30, 2020 from the opening deferred revenue balance as of January 1, 2020 was $75.1 million.
Remaining performance obligations
As of September 30, 2020, approximately $7.8 billion of total revenues, including deferred installation revenues, are expected to be recognized in future periods, the majority of which will be recognized over the next 24 months. While initial contract terms vary in length, substantially all contracts thereafter automatically renew in one-year increments. Included in the remaining performance obligations is either 1) remaining performance obligations under the initial contract terms or 2) remaining performance obligations related to contracts in the renewal period once the initial terms have lapsed. The remaining performance obligations do not include variable consideration related to unsatisfied performance obligations such as the usage of metered power, service fees from xScaleTM data centers, which are calculated based on future events or actual costs incurred in the future, or any contracts that could be terminated without any significant penalties such as the majority of interconnection revenues. The remaining performance obligations above include revenues to be recognized in the future related to arrangements where the Company is considered the lessor.