XML 109 R89.htm IDEA: XBRL DOCUMENT
v3.25.0.1

INCOME TAXES - Additional Information (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($)
Income Tax Disclosure [Abstract] |
Expiration of tax credits | $ 4.1

X
- Definition Tax Credits Carryforward, Expiration, Amount + References No definition available. + Details
Name: | clh_TaxCreditsCarryforwardExpirationAmount
Namespace Prefix: | clh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration