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Revenue Recognition
 9 Months Ended
Sep. 30, 2023
Revenue from Contract with Customer [Abstract]  
Revenue Recognition
3. Revenue Recognition
Disaggregation of Revenue
Revenue by geographic area, based on the location of the Company’s customers, was as follows (in thousands):
Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Americas:
United States$111,967 $77,164 $316,711 $213,355 
Other Americas (1)
9,281 6,772 26,919 18,888 
APAC (1)(2)
18,236 12,029 51,532 32,851 
EMEA (1)(3)
36,323 23,203 101,319 62,419 
Total Revenue$175,807 $119,168 $496,481 $327,513 
(1) Other than the United States, no other individual country accounted for 10% or more of total revenue for any of the periods presented.
(2) Asia-Pacific
(3) Europe, the Middle East and Africa

Deferred Revenue
The change in deferred revenue reflects billings during the period for which the performance obligation was not satisfied prior to the end of the period, partially offset by revenues recognized during the period. The following table summarizes the changes in the balance of deferred revenue during the periods presented (in thousands):

Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Balance at beginning of the period$29,160 $18,273 $25,109 $15,092 
Plus: Billings during the period179,513 122,312 504,238 333,838 
Less: Revenue recognized during the period(175,807)(119,168)(496,481)(327,513)
Balance at end of the period$32,866 $21,417 $32,866 $21,417 
All of the revenue deferred as of December 31, 2022, has been recognized during the nine months ended September 30, 2023.

Remaining Performance Obligations
Remaining performance obligations represents the amount of contracted future revenue that has not yet been recognized, including deferred revenue. As of September 30, 2023, the Company’s remaining performance obligations are $62.5 million, of which $58.8 million will be recognized within the next twelve months and $3.7 million will be recognized during a period greater than twelve months.