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Revenue from Contracts with Customers (Tables)
12 Months Ended
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue
The following table presents the Company’s revenue from contracts with customers, disaggregated by revenue source for services transferred over time, for the years ended December 31, 2019 and 2018:
Year Ended December 31,
2019
 
2018
Transaction fees
$
598,760

 
$
526,942

Referral fees
5,474

 
3,645

Total revenue from contracts with customers
$
604,234

 
$
530,587