Revenue Revenue (Notes)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following table presents the Company’s revenues disaggregated by type and percentage of total revenues for the periods indicated.



	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
	Revenue		Percentage of Total Revenue		Revenue		Percentage of Total Revenue		Revenue		Percentage of Total Revenue		Revenue		Percentage of Total Revenue
Sand sales revenue	$	25,153	38	%	$	39,500	63	%	$	73,161	40	%	$	96,417	60	%
Reservation revenue	4,500		7	%	5,190		8	%	13,500		7	%	17,656		11	%
Shortfall revenue	15,620		24	%	1,426		2	%	37,659		20	%	2,094		1	%
Logistics revenue	20,417		31	%	17,030		27	%	61,086		33	%	44,055		28	%
Total revenues	$	65,690	100	%	$	63,146	100	%	$	185,406	100	%	$	160,222	100	%

The Company recorded $4,095 of deferred revenue on the balance sheet on December 31, 2018, of which $1,017 has been recognized in the nine months ended September 30, 2019, $2,500 was recharacterized due to an amended contract, and the Company expects to recognize an additional $578 in 2020.

Segment Information

Reportable operating segments are identified as components of an enterprise about which separate discrete financial information is available for evaluation by the chief operating decision maker, or decision-making group, in making decisions on how to allocate resources and assess performance. The Company’s chief operating decision maker is the Chief Executive Officer. The Company and the Chief Executive Officer view the Company’s operations and manage its business, including the recently acquired logistics assets and wellsite proppant storage solutions business, as one reportable operating segment.