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REVENUE RECOGNITION
 9 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
REVENUE RECOGNITION REVENUE RECOGNITION
Revenues associated with our solid waste operations are derived mainly from solid waste collection and disposal services, including landfill, transfer station and transportation services, landfill gas-to-energy services and 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 operating segment for each of the three and nine months ended September 30, 2025 and 2024:
Three Months Ended September 30, 2025
EasternWestern
Mid-Atlantic
Resource SolutionsTotal Revenues
Collection$92,542 $133,207 $88,299 $— $314,048 
Landfill8,230 16,891 1,659 — 26,780 
Transfer station20,508 19,045 1,113 — 40,666 
Transportation1,611 4,388 — — 5,999 
Landfill gas-to-energy332 1,206 — — 1,538 
Processing2,752 387 — 33,199 36,338 
National Accounts— — — 59,982 59,982 
Total revenues$125,975 $175,124 $91,071 $93,181 $485,351 
Transferred at a point-in-time$91 $652 $— $12,047 $12,790 
Transferred over time125,884 174,472 91,071 81,134 472,561 
Total revenues$125,975 $175,124 $91,071 $93,181 $485,351 

Three Months Ended September 30, 2024(1)
EasternWestern
Mid-Atlantic
Resource SolutionsTotal Revenues
Collection$84,702 $104,329 $63,548 $— $252,579 
Landfill7,745 17,305 714 — 25,764 
Transfer station20,461 15,291 457 — 36,209 
Transportation1,492 3,988 — — 5,480 
Landfill gas-to-energy301 1,350 — — 1,651 
Processing2,842 640 — 34,954 38,436 
National Accounts— — — 51,508 51,508 
Total revenues$117,543 $142,903 $64,719 $86,462 $411,627 
Transferred at a point-in-time$122 $645 $— $16,588 $17,355 
Transferred over time117,421 142,258 64,719 69,874 394,272 
Total revenues$117,543 $142,903 $64,719 $86,462 $411,627 
Nine Months Ended September 30, 2025
EasternWestern
Mid-Atlantic
Resource SolutionsTotal Revenues
Collection$262,935 $379,543 $245,937 $— $888,415 
Landfill22,961 47,238 3,554 — 73,753 
Transfer station
53,666 51,952 1,993 — 107,611 
Transportation4,700 12,658 — — 17,358 
Landfill gas-to-energy876 4,983 — — 5,859 
Processing6,501 1,201 — 101,634 109,336 
National Accounts
— — — 165,454 165,454 
Total revenues$351,639 $497,575 $251,484 $267,088 $1,367,786 
Transferred at a point-in-time$280 $2,049 $— $38,826 $41,155 
Transferred over time351,359 495,526 251,484 228,262 1,326,631 
Total revenues$351,639 $497,575 $251,484 $267,088 $1,367,786 
Nine Months Ended September 30, 2024(1)
EasternWestern
Mid-Atlantic
Resource SolutionsTotal Revenues
Collection$241,020 $300,147 $146,729 $— $687,896 
Landfill21,940 46,263 1,893 — 70,096 
Transfer station
56,214 40,523 1,292 — 98,029 
Transportation4,452 10,132 7 — 14,591 
Landfill gas-to-energy1,298 4,846 — — 6,144 
Processing6,342 1,948 — 97,992 106,282 
National Accounts
— — — 146,759 146,759 
Total revenues$331,266 $403,859 $149,921 $244,751 $1,129,797 
Transferred at a point-in-time$361 $1,940 $— $44,304 $46,605 
Transferred over time330,905 401,919 149,921 200,447 1,083,192 
Total revenues$331,266 $403,859 $149,921 $244,751 $1,129,797 
(1)Certain prior period amounts have been reclassified between regional operating segments to conform to the current period presentation. See Note 13, Segment Reporting for further disclosure.
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 $9,331 and $29,485 in the three and nine months ended September 30, 2025, respectively, and $9,084 and $24,615 in the three and nine months ended September 30, 2024, 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 and nine months ended September 30, 2025 or September 30, 2024 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 $196,318 and $162,916 as of September 30, 2025 and December 31, 2024, 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 $48,490 and $50,690 as of September 30, 2025 and December 31, 2024, 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, 2024 and December 31, 2023 was recognized as revenue during the nine months ended September 30, 2025 and September 30, 2024, respectively, when the services were performed.