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Revenue
12 Months Ended
Dec. 31, 2021
Revenue From Contract With Customer [Abstract]  
Revenue
12.
Revenue

The following table summarizes the primary components of Marketplace and service revenue, this level of disaggregation takes into consideration how the nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factors for the years ended December 31, 2021, 2020 and 2019 (in thousands):

 

 

2021

 

 

2020

 

 

2019

 

Auction marketplace revenue

$

164,215

 

 

$

99,205

 

 

$

49,216

 

Transportation, data, and other services revenue

 

144,135

 

 

 

73,915

 

 

 

38,534

 

Marketplace and service revenue

$

308,350

 

 

$

173,120

 

 

$

87,750

 

 

Revenue presented in the table above, including the subsequent cash flows, could be negatively impacted by fluctuations in the supply or demand of used vehicles, especially in the case of an economic downturn in the United States.