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Revenue and Other Information
 6 Months Ended
Jun. 30, 2021
Segment Reporting [Abstract]  
Revenue and Other Information Revenue and Other Information
The following table presents our revenue categories for the three and six months ended June 30, 2021 and 2020 (in thousands): 
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2021202020212020
Core solutions$25,363 $26,061 $49,537 $50,963 
Value+ services60,447 51,592 111,957 95,730 
Other3,230 3,390 6,467 6,845 
Total revenue$89,040 $81,043 $167,961 $153,538 
Our revenue is generated primarily from customers in the United States. All of our property and equipment is located in the United States.
Deferred Revenue
During the six months ended June 30, 2021 and 2020, we recognized $1.8 million and $3.5 million of revenue, respectively, which were included in the deferred revenue balances as of December 31, 2020 and 2019, respectively.