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Revenue
 12 Months Ended
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
Disaggregation of Revenue
The following table presents the Company’s revenues disaggregated by type and percentage of total revenues for the periods indicated.
Year Ended December 31,
202020192018
RevenuePercentage of Total RevenueRevenuePercentage of Total RevenueRevenuePercentage of Total Revenue
Sand sales revenue$70,902 58 %$109,621 47 %$143,533 68 %
Shortfall revenue23,281 19 %49,259 21 %6,032 3 %
Logistics revenue28,157 23 %74,193 32 %62,905 30 %
Total revenues$122,340 100 %$233,073 100 %$212,470 101 %
Total current and long-term deferred revenue balances at December 31, 2020 and 2019 were $10,357 and $9,324, respectively. The Company expects to recognize the current portion of deferred revenue in 2021 and expects to recognize the long-term portion through 2023. In 2020, the Company recognized $3,325 of the 2019 deferred revenue balance, $277 remained in long-term deferred revenue and the remainder is in the current portion of the deferred revenue balance. In 2019, the Company recognized $1,017 of the 2018 deferred revenue balance, recharacterized $2,500 due to an amended contract and $578 remained in the current portion of deferred revenue at December 31, 2019.