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Cover
May 16, 2025
Document Information [Line Items]  
Document Type 8-K
Document Period End Date May 16, 2025
Registrant Name DE
Entity File Number 001-34146
Entity Tax Identification Number 20-3594554
Entity Address, Address Line One 601 West Riverside,
Entity Address, Address Line Two Suite 1100
Entity Address, State or Province WA
Entity Address, City or Town Spokane,
Entity Address, Postal Zip Code 99201
City Area Code 509
Local Phone Number 344-5900
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Trading Symbol CLW
Entity Emerging Growth Company false
Amendment Flag false
Central Index Key 0001441236
Security Exchange Name NYSE
Registrant Name CLEARWATER PAPER CORPORATION
Title of 12(b) Security Common Stock, par value $0.0001 per share