REVENUE RECOGNITION

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

A table of revenues disaggregated by service line and timing of revenue recognition by operating segment for each of the three months ended March 31, 2020 and 2019 follows:

Three Months Ended March 31, 2020


	Eastern		Western		Resource Solutions		Total Revenues
Collection	$	36,829	$	58,639	$	—	$	95,468
Landfill	3,544		16,310		—		19,854
Transfer	9,383		6,706		—		16,089
Customer solutions	—		—		21,663		21,663


Recycling	2		239		10,966		11,207


Organics	—		—		14,932		14,932
Transportation	—		2,671		—		2,671


Landfill gas-to-energy	385		641		—		1,026
Total revenues	$	50,143	$	85,206	$	47,561	$	182,910

Transferred at a point-in-time	$	56	$	235	$	4,462	$	4,753
Transferred over time	50,087		84,971		43,099		178,157
Total revenues	$	50,143	$	85,206	$	47,561	$	182,910

Three Months Ended March 31, 2019


	Eastern		Western		Resource Solutions		Total Revenues
Collection	$	33,965	$	49,597	$	—	$	83,562
Landfill	3,717		15,468		—		19,185
Transfer	8,986		5,275		—		14,261
Customer solutions	—		—		18,154		18,154


Recycling	—		441		10,766		11,207


Organics	—		—		13,596		13,596
Transportation	—		2,563		—		2,563


Landfill gas-to-energy	329		807		—		1,136
Total revenues	$	46,997	$	74,151	$	42,516	$	163,664

Transferred at a point-in-time	$	36	$	309	$	6,391	$	6,736
Transferred over time	46,961		73,842		36,125		156,928
Total revenues	$	46,997	$	74,151	$	42,516	$	163,664

Payments to customers that are not in exchange for a distinct good or service are recorded as a reduction of revenues. Rebates to certain customers associated with payments for recycled or organic materials that are received and subsequently processed and sold to other third-parties amounted to $991 in the three months ended March 31, 2020 and $1,338 in the three months ended March 31, 2019. Rebates are generally recorded as a reduction of revenues upon the sale of such materials, or upon receipt of the recycled materials at our facilities. We did not record any revenues in the three months ended March 31, 2020 and March 31, 2019 from performance obligations satisfied in previous periods.

Contract receivables, which are included in Accounts receivable, net are recorded when billed or when related revenue is earned, if earlier, and represent claims against third-parties that will be settled in cash. Accounts receivable, net includes gross receivables from contracts of $74,161 and $80,191 as of March 31, 2020 and December 31, 2019, respectively. Certain customers are billed in advance and, accordingly, recognition of the related revenues is deferred as a contract liability until the services are provided and control transferred to the customer. We recognized contract liabilities of $2,860 and $2,299 as of March 31, 2020 and December 31, 2019, respectively. Due to the short term nature of advanced billings, substantially all of the deferred revenue recognized as a contract liability as of December 31, 2019 and December 31, 2018 were recognized as revenue during the three months ended March 31, 2020 and March 31, 2019, respectively, when the services were performed.