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Pay vs Performance Disclosure - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pay vs Performance Disclosure        
Pay vs Performance Disclosure, Table
PEO McKim(1)
Co-PEO Battles(1)

Co-PEO Gerstenberg(1)
Average
SCT Total
for Non-PEO
NEOs(3)(4)
($)
Average
CAP to Non-PEO
NEOs(3)(9)
($)
Value of Initial Fixed
$100 Investment
Based On:
Year
SCT Total(2)
($)
CAP(9)
($)
SCT Total(2)
($)
CAP(9)
($)
SCT Total(2)
($)
CAP(9)
($)
TSR(5)
($)
Peer
Group
TSR(6)
($)
Net
Income ('000)(7)
($)
Adjusted
EBITDA ('000)(8)
($)
20232,296,564 3,620,475 4,917,312 9,168,758 4,938,543 10,246,152 1,344,687 3,379,706 203.46 172.43 377,856 1,012,570 
20226,241,356 6,773,049 ————2,755,014 3,349,545 133.07 138.62 411,744 1,022,128 
20215,612,724 6,601,096 ————2,931,679 3,736,275 116.35 153.53 203,247 676,606 
20203,828,532 3,661,166 ————2,343,696 2,262,282 88.75 116.53 134,837 573,804 
      
Company Selected Measure Name AdjustedEBITDA ('000)(8)($)      
Named Executive Officers, Footnote
(1)    During the period from January 1, 2023 through March 31, 2023 and for all of 2022, 2021 and 2020, the Company had one PEO, namely Alan S. McKim. Effective March 31, 2023, Michael L. Battles (who had previously served as the Company's Chief Financial Officer) and Eric. W. Gerstenberg (who had previously served as the Company's Chief Operating Officer) were appointed as the Company's Co-Chief Executive Officers, and served concurrently in that capacity for the remainder of 2023.
(2)    The dollar amounts reported in this column are the amounts of total compensation reported for Mr. McKim, Mr. Battles or Mr. Gerstenberg in the “Total” column of the Summary Compensation Table for years in which they held the role of PEO.
(3)    For 2023, the Non-PEO NEOs whose average compensation is reported in this column include Eric J. Dugas, Brian P. Weber, Robert E. Speights and Sharon M. Gabriel. For each of 2022 and 2021 the Non-PEO NEOs whose average compensation is reported in this column include Michael L. Battles, Eric W. Gerstenberg, Brian P. Weber and Robert E. Speights. For 2020, the Non-PEO NEOs whose average compensation is reported in this column include Michael L. Battles, Eric W. Gerstenberg, Brian P. Weber and Sharon M. Gabriel.
      
Peer Group Issuers, Footnote Represents the weighted peer group TSR based on a fixed investment of $100 on January 2, 2020. For each of the four fiscal years presented in the table above, the peer group was comprised of ABM Industries Incorporated, Advanced Drainage Systems, Inc., Chemed Corporation, Emcor Group, Inc., Enviri Corporation, GFL Environmental, Inc., Healthcare Services Group, Inc., Huntsman Corporation, Iron Mountain Incorporated, KBR, Inc, Quanta Services, Inc., Republic Services, Inc., Rollins, Inc., Stanley Black & Decker, Inc., Stericycle, Inc., Tetra Tech, Inc., Waste Connections, Inc., and Waste Management, Inc. Heritage-Crystal Clean, Inc. was previously included in the Peer Group but is no longer listed since being acquired by a private company in 2023, the Peer Group TSR values have been recast to reflect the current peer group for each of 2022, 2021 and 2020. The TSR of the peer group that included Heritage Crystal Clean for 2022, 2021 and 2020 is $140.46, $155.52 and $118.41, respectively.      
Adjustment To PEO Compensation, Footnote
9)    CAP is calculated in accordance with the Item 402(v) of Regulation S-K. Reconciliations of Summary Compensation Table data to CAP for fiscal 2023, 2022, 2021, and 2020 for the PEOs and the Non-PEO NEOs are included in the table below:
PEO (Alan S. McKim)
Year2023202220212020
Summary Compensation Table Total Compensation$2,296,564 $6,241,356 $5,612,724 $3,828,532 
Less: Grant Date Fair Value of Stock Awards (from Summary Compensation Table)— 1,199,998 1,293,846 1,406,079 
Add:
Change in Fair Value of Awards Granted During Year and Outstanding and Unvested as of Year-End— 1,492,575 1,384,608 1,835,380 
Change in Fair Value of Prior Year Awards Unvested as of Year-End1,134,728 159,314 150,020 (218,891)
Change in Fair Value of Prior Year Awards that Vested During Year189,183 79,802 747,590 (377,776)
Total Additions to Compensation Actually Paid1,323,911 1,731,691 2,282,218 1,238,713 
Compensation Actually Paid$3,620,475 $6,773,049 $6,601,096 $3,661,166 
Co-PEO (Michael L. Battles)
Year2023202220212020
Summary Compensation Table Total Compensation$4,917,312 $— $— $— 
Less: Grant Date Fair Value of Stock Awards (from Summary Compensation Table)2,931,746 — — — 
Add:
Change in Fair Value of Awards Granted During Year and Outstanding and Unvested as of Year-End5,086,269 — — — 
Change in Fair Value of Prior Year Awards Unvested as of Year-End1,250,254 — — — 
Change in Fair Value of Prior Year Awards that Vested During Year846,669 — — — 
Total Additions to Compensation Actually Paid7,183,192 — — — 
Compensation Actually Paid$9,168,758 $— $— $— 
Co-PEO (Eric W. Gerstenberg)
Year2023202220212020
Summary Compensation Table Total Compensation$4,938,543 $— $— $— 
Less: Grant Date Fair Value of Stock Awards (from Summary Compensation Table)2,931,746 — — — 
Add:
Change in Fair Value of Awards Granted During Year and Outstanding and Unvested as of Year-End5,086,268 — — — 
Change in Fair Value of Prior Year Awards Unvested as of Year-End1,792,496 — — — 
Change in Fair Value of Prior Year Awards that Vested During Year1,360,591 — — — 
Total Additions to Compensation Actually Paid8,239,355 — — — 
Compensation Actually Paid$10,246,152 $— $— $— 
      
Non-PEO NEO Average Total Compensation Amount $ 1,344,687 $ 2,755,014 $ 2,931,679 $ 2,343,696
Non-PEO NEO Average Compensation Actually Paid Amount $ 3,379,706 3,349,545 3,736,275 2,262,282
Adjustment to Non-PEO NEO Compensation Footnote
9)    CAP is calculated in accordance with the Item 402(v) of Regulation S-K. Reconciliations of Summary Compensation Table data to CAP for fiscal 2023, 2022, 2021, and 2020 for the PEOs and the Non-PEO NEOs are included in the table below:
Average of Non-PEO NEOs
Year2023202220212020
Summary Compensation Table Total Compensation$1,344,687 $2,755,014 $2,931,679 $2,343,696 
Less: Grant Date Fair Value of Stock Awards (from Summary Compensation Table)342,733 1,371,984 1,604,777 1,308,804 
Add:
Change in Fair Value of Awards Granted During Year and Outstanding and Unvested as of Year-End1,281,296 1,706,493 1,643,335 1,909,616 
Change in Fair Value of Prior Year Awards Unvested as of Year-End844,916 325,300 543,138 (179,536)
Change in Fair Value of Prior Year Awards that Vested During Year251,540 (65,278)318,653 (346,796)
Change in Fair Value of Prior Year Awards that Forfeited During Year— — (95,753)(155,894)
Total Additions to Compensation Actually Paid2,377,752 1,966,515 2,409,373 1,227,390 
Compensation Actually Paid$3,379,706 $3,349,545 $3,736,275 $2,262,282 
      
Compensation Actually Paid vs. Total Shareholder Return The following chart sets forth the relationship between Compensation Actually Paid to the PEO (which, for 2023 is the average of the Compensation Actual Paid for 2023 to the Mr. McKim and the two Co-PEOs), and, on average, to the other NEOs, and the Company’s TSR and that of our peer group over the four most recently completed fiscal years.
PEO and Average Other NEO Compensation Actually Paid Versus Clean Harbors TSR
CAP vs TSR.jpg
      
Compensation Actually Paid vs. Net Income
The following chart sets forth the relationship between Compensation Actually Paid to the PEO (which, for 2023 is the average of the total annual compensation paid for 2023 to Mr. McKim and the two Co-PEOs), and on average to the other NEOs, and the Company's net income during the four most recently completed fiscal years.
PEO and Average Other NEO Compensation Actually Paid Versus Clean Harbors Net Income
CAP vs Ni.jpg
      
Compensation Actually Paid vs. Company Selected Measure on average, the other NEOs and the Company's Adjusted EBITDA during the four most recently completed fiscal years.
PEO and Average Other NEO Compensation Actually Paid Versus Clean Harbors Adjusted EBITDA
CAP to editda.jpg
      
Tabular List, Table
Performance Metrics
Adjusted EBITDA
Adjusted EBITDA Margin
Adjusted Free Cash Flow
Adjusted Return on Invested Capital
Revenue
TRIR
      
Total Shareholder Return Amount $ 203.46 133.07 116.35 88.75
Peer Group Total Shareholder Return Amount 172.43 138.62 153.53 116.53
Net Income (Loss) $ 377,856,000 $ 411,744,000 $ 203,247,000 $ 134,837,000
Company Selected Measure Amount 1,012,570,000 1,022,128,000 676,606,000 573,804,000
Measure:: 1        
Pay vs Performance Disclosure        
Name Adjusted EBITDA      
Measure:: 2        
Pay vs Performance Disclosure        
Name Adjusted EBITDA Margin      
Measure:: 3        
Pay vs Performance Disclosure        
Name Adjusted Free Cash Flow      
Measure:: 4        
Pay vs Performance Disclosure        
Name Adjusted Return on Invested Capital      
Measure:: 5        
Pay vs Performance Disclosure        
Name Revenue      
Measure:: 6        
Pay vs Performance Disclosure        
Name TRIR      
Alan S. McKim [Member]        
Pay vs Performance Disclosure        
PEO Total Compensation Amount $ 2,296,564 $ 6,241,356 $ 5,612,724 $ 3,828,532
PEO Actually Paid Compensation Amount 3,620,475 6,773,049 6,601,096 3,661,166
Michael L. Battles [Member]        
Pay vs Performance Disclosure        
PEO Total Compensation Amount 4,917,312      
PEO Actually Paid Compensation Amount 9,168,758      
Eric W. Gerstenberg [Member]        
Pay vs Performance Disclosure        
PEO Total Compensation Amount 4,938,543      
PEO Actually Paid Compensation Amount 10,246,152      
PEO | Alan S. McKim [Member] | Fair Value of Awards Granted During Year and Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 0 1,492,575 1,384,608 1,835,380
PEO | Alan S. McKim [Member] | Change in Fair Value of Prior Year Awards Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 1,134,728 159,314 150,020 (218,891)
PEO | Alan S. McKim [Member] | Change in Fair Value of Prior Year Awards that Vested During Year [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 189,183 79,802 747,590 (377,776)
PEO | Alan S. McKim [Member] | Total Additions to Compensation Actually Paid [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 1,323,911 1,731,691 2,282,218 1,238,713
PEO | Michael L. Battles [Member] | Fair Value of Awards Granted During Year and Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 5,086,269      
PEO | Michael L. Battles [Member] | Change in Fair Value of Prior Year Awards Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 1,250,254      
PEO | Michael L. Battles [Member] | Change in Fair Value of Prior Year Awards that Vested During Year [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 846,669      
PEO | Michael L. Battles [Member] | Total Additions to Compensation Actually Paid [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 7,183,192      
PEO | Michael L. Battles [Member] | Grant Date Fair Value of Stock Awards in Fiscal Year (from Summary Compensation Table) [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 2,931,746      
PEO | Eric W. Gerstenberg [Member] | Fair Value of Awards Granted During Year and Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 5,086,268      
PEO | Eric W. Gerstenberg [Member] | Change in Fair Value of Prior Year Awards Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 1,792,496      
PEO | Eric W. Gerstenberg [Member] | Change in Fair Value of Prior Year Awards that Vested During Year [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 1,360,591      
PEO | Eric W. Gerstenberg [Member] | Total Additions to Compensation Actually Paid [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 8,239,355      
PEO | Eric W. Gerstenberg [Member] | Grant Date Fair Value of Stock Awards in Fiscal Year (from Summary Compensation Table) [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 2,931,746      
Non-PEO NEO | Fair Value of Awards Granted During Year and Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 1,281,296 1,706,493 1,643,335 1,909,616
Non-PEO NEO | Change in Fair Value of Prior Year Awards Unvested as of Year-End [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 844,916 325,300 543,138 (179,536)
Non-PEO NEO | Change in Fair Value of Prior Year Awards that Vested During Year [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 251,540 (65,278) 318,653 (346,796)
Non-PEO NEO | Total Additions to Compensation Actually Paid [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 2,377,752 1,966,515 2,409,373 1,227,390
Non-PEO NEO | Grant Date Fair Value of Stock Awards in Fiscal Year (from Summary Compensation Table) [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount 342,733 1,371,984 1,604,777 1,308,804
Non-PEO NEO | Change in Fair Value of Prior Year Awards that Forfeited During Year [Member]        
Pay vs Performance Disclosure        
Adjustment to Compensation, Amount $ 0 $ 0 $ (95,753) $ (155,894)