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Debt - Additional Information (Details)		3 Months Ended	12 Months Ended
	Oct. 27, 2023 Rate	Dec. 31, 2023 USD ($) Rate	Dec. 31, 2023 USD ($) Rate	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 18, 2020 USD ($)	Jul. 29, 2014 USD ($)
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 468,300,000	$ 468,300,000	$ 569,200,000
Unamortized Debt Issuance Expense		5,100,000	5,100,000	3,400,000
Finance Lease, Liability		23,300,000	23,300,000	24,200,000
Long-term debt		462,300,000	462,300,000	564,900,000
Long-Term Debt and Lease Obligation, Including Current Maturities		463,100,000	463,100,000	565,800,000
Borrowings on long-term debt		150,000,000	222,000,000.0	0	$ 0
Debt retirement costs			(3,100,000)	(500,000)	(1,000,000.0)
Long-term Debt, Fair Value		425,700,000	425,700,000	504,300,000
Credit facility, maximum borrowing capacity		270,000,000	270,000,000
Long-term Debt and Lease Obligation, Current		800,000	800,000	900,000
Long-term debt		$ 467,400,000	$ 467,400,000	568,300,000
Interest rate spread | Rate	3.65%
Debt covenant, actual fixed charge ratio		0.0385	0.0385
Line of Credit Facility, Remaining Borrowing Capacity		$ 259,000,000	$ 259,000,000
Proceeds from Lines of Credit		60,000,000
Extinguishment of Debt [Line Items]
Debt retirement costs			(3,100,000)	(500,000)	$ (1,000,000.0)
Line of Credit Facility [Line Items]
Proceeds from Lines of Credit		60,000,000
Senior Subordinated Notes
Debt Instrument [Line Items]
Debt instrument, maturity date	Oct. 27, 2028
J.P. Morgan [Member]
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity		275,000,000	275,000,000
Potential additional lines of credit		$ 100,000,000	$ 100,000,000
Ratio of Indebtedness to Net Capital		1.10	1.10
J.P. Morgan [Member] | Base Rate [Member] | Minimum
Debt Instrument [Line Items]
Interest rate spread | Rate			0.25%
J.P. Morgan [Member] | Base Rate [Member] | Maximum
Debt Instrument [Line Items]
Interest rate spread | Rate			0.75%
J.P. Morgan [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Minimum
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate | Rate		1.25%	1.25%
J.P. Morgan [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Maximum
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate | Rate		1.75%	1.75%
Line of Credit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Expiration Date			Nov. 07, 2027
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate | Rate		6.70%	6.70%
Long-term Line of Credit		$ 20,000,000.0	$ 20,000,000.0	0
Line of Credit Facility [Line Items]
Long-term Line of Credit		20,000,000.0	20,000,000.0	0
Revolving Credit Facility [Member] | J.P. Morgan [Member]
Debt Instrument [Line Items]
Long-term Debt, Fair Value		20,000,000.0	20,000,000.0	0
Outstanding stand by letters of credit		3,700,000	$ 3,700,000
Loan Lending Commitment Arrangement Fees [Member] | J.P. Morgan [Member] | Minimum
Debt Instrument [Line Items]
Interest rate spread | Rate			0.25%
Loan Lending Commitment Arrangement Fees [Member] | J.P. Morgan [Member] | Maximum
Debt Instrument [Line Items]
Interest rate spread | Rate			0.375%
Term Loan [Member] | AgWest Farm Credit
Debt Instrument [Line Items]
Long-term Debt, Gross		150,000,000.0	$ 150,000,000.0	0
Unamortized Debt Issuance Expense		2,800,000	2,800,000	0
Long-term Debt		147,200,000	147,200,000	0
Long-term Debt, Fair Value		$ 150,600,000	$ 150,600,000	0
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | Rate		9.10%	9.10%
Senior Note Due 2025 [Member] | Estimate of Fair Value Measurement [Member]
Debt Instrument [Line Items]
Long-term Debt, Fair Value		$ 0	$ 0	263,100,000
Senior Note Due 2025 [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross		0	0	270,000,000.0
Unamortized Debt Issuance Expense		0	0	500,000
Long-term Debt		0	$ 0	269,500,000
Write off of Deferred Debt Issuance Cost		$ 400,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | Rate		0.00%	0.00%
Extinguishment of Debt [Line Items]
Redemption Premium		$ 2,700,000
Write off of Deferred Debt Issuance Cost		400,000
Senior Note Due 2028 | Estimate of Fair Value Measurement [Member]
Debt Instrument [Line Items]
Long-term Debt, Fair Value		255,100,000	$ 255,100,000	241,200,000
Senior Note Due 2028
Debt Instrument [Line Items]
Long-term Debt, Gross		275,000,000.0	275,000,000.0	275,000,000.0
Unamortized Debt Issuance Expense		2,400,000	2,400,000	2,900,000
Long-term Debt		$ 272,600,000	$ 272,600,000	$ 272,100,000
Debt instrument, principal amount						$ 275,000,000
Debt instrument, interest rate						4.75%
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate | Rate		4.80%	4.80%
Senior Notes
Debt Instrument [Line Items]
Debt instrument, principal amount							$ 300,000,000
Debt instrument, interest rate							5.375%
Long-term Debt
Debt Instrument [Line Items]
Long-term Debt, Gross		$ 425,000,000	$ 425,000,000
CLW_TwentyTwentNotesMember | Senior Notes
Debt Instrument [Line Items]
Debt instrument, maturity date			Aug. 15, 2028
CLW_TwentyFourteenNotesMember | Senior Notes
Debt Instrument [Line Items]
Debt instrument, maturity date			Feb. 01, 2025

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Fixed Charge Coverage Ratio

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Weighted average interest rate of debt outstanding.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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