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REVENUE RECOGNITION
 3 Months Ended
Mar. 31, 2026
Revenue from Contract with Customer [Abstract]  
REVENUE RECOGNITION REVENUE RECOGNITION
Revenues associated with our solid waste operations are derived mainly from solid waste (i) collection and (ii) disposal services, which include landfill and transfer station services, as well as (iii) transportation, (iv) landfill gas-to-energy and (v) processing services. Revenues associated with our resource renewal operations are derived from processing services and our National Accounts business.
The following tables set forth revenues disaggregated by service line and timing of revenue recognition by reportable operating segment for each of the three months ended March 31, 2026 and 2025:
Three Months Ended March 31, 2026
EasternWestern
Mid-Atlantic
Resource SolutionsTotal Revenues
Collection$87,556 $129,086 $93,010 $— $309,652 
Landfill6,545 14,084 849 — 21,478 
Transfer station13,663 13,435 935 — 28,033 
Transportation1,419 3,228 — — 4,647 
Landfill gas-to-energy663 2,272 — — 2,935 
Processing1,441 343 — 43,315 45,099 
National Accounts— — — 45,484 45,484 
Total revenues$111,287 $162,448 $94,794 $88,799 $457,328 
Transferred at a point-in-time$196 $243 $— $9,111 $9,550 
Transferred over time111,091 162,205 94,794 79,688 447,778 
Total revenues$111,287 $162,448 $94,794 $88,799 $457,328 

Three Months Ended March 31, 2025
EasternWestern
Mid-Atlantic
Resource Solutions (1)
Total Revenues
Collection$81,062 $118,605 $76,794 $— $276,461 
Landfill6,796 13,434 687 — 20,917 
Transfer station13,680 13,521 367 — 27,568 
Transportation1,348 3,866 — — 5,214 
Landfill gas-to-energy252 2,513 — — 2,765 
Processing1,602 377 — 44,516 46,495 
National Accounts— — — 37,681 37,681 
Total revenues$104,740 $152,316 $77,848 $82,197 $417,101 
Transferred at a point-in-time$96 $704 $— $11,721 $12,521 
Transferred over time104,644 151,612 77,848 70,476 404,580 
Total revenues$104,740 $152,316 $77,848 $82,197 $417,101 
(1)Prior period amounts have been moved within Resource Solutions between the National Accounts and processing service lines to conform to the current period presentation reflecting the realignment of a business unit related to organic materials brokerage operations. See Note 13, Segment Reporting for further disclosure over our reportable operating segments.
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 $8,451 and $8,940 in the three months ended March 31, 2026 and March 31, 2025, respectively. 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 revenues in the three months ended March 31, 2026 or March 31, 2025 from performance obligations satisfied in previous periods.
Contract receivables, which are included in accounts receivable, net in our consolidated balance sheets, 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 receivables from contracts of $179,359 and $181,616 as of March 31, 2026 and December 31, 2025, respectively. Certain customers are billed in advance and, accordingly, recognition of the related revenues for which payment has been received is deferred as a contract liability until the services are provided and control transferred to the customer. We recognized contract liabilities of $45,706 and $45,153 as of March 31, 2026 and December 31, 2025, 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, 2025 and December 31, 2024 was recognized as revenue during the three months ended March 31, 2026 and March 31, 2025, respectively, when the services were performed.