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Revenue Information
 6 Months Ended
Jun. 30, 2021
Revenue from Contract with Customer [Abstract]  
Revenue Information Revenue Information
The Company disaggregates revenue into two streams: subscription revenue and performance-based revenue. The following table presents the Company’s revenue streams (in thousands):
Three Months Ended
June 30,		Six Months Ended
June 30,
2021202020212020
Subscription$151,292 $74,002 $251,796 $169,367 
Performance-based31,668 13,653 56,536 31,580 
Total revenue$182,960 $87,655 $308,332 $200,947 
The Company recognized $15.5 million and $14.4 million of revenues during the three months ended June 30, 2021 and 2020, respectively, that was included in the deferred revenue balances as of March 31, 2021 and 2020, respectively.
The Company recognized $11.4 million and $13.9 million of revenues during the six months ended June 30, 2021 and 2020, respectively, that was included in the deferred revenue balances as of December 31, 2020 and 2019, respectively.
As of June 30, 2021 and December 31, 2020, the Company had no contract assets outstanding.
Performance Obligations
No revenue was recognized during the three and six months ended June 30, 2021 and 2020 from performance obligations satisfied in previous periods. As of June 30, 2021 and December 31, 2020, the Company did not have any material remaining performance obligations in excess of one year.