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Subsequent Events - Narrative (Details) - USD ($)	Oct. 26, 2023	Sep. 30, 2023
Subsequent Event [Line Items]
Initial Borrowing Availability under ABL Facility		$ 180,000,000
Reduced Borrowing Availability under ABL Facility		125,000,000
Minimum Liquidity under ABL Facility		10,000,000
Nov-23 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		22,060,000
Dec-23 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		21,070,000
Jan-24
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		21,110,000
Feb-24
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		18,750,000
Mar-24
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		16,640,000
Apr-24 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		19,780,000
May-24 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		19,660,000
Jun-24 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		19,450,000
Jul-24 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		21,860,000
Aug-24 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		22,830,000
Sep-24 [Member]
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		25,370,000
Oct-24
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		26,070,000
Nov-24
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		27,640,000
Dec-24
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		29,640,000
Jan-25
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		29,740,000
Feb-25
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		29,850,000
Mar-25
Subsequent Event [Line Items]
Minimum EBITDA under ABL Facility		$ 29,980,000
Subsequent Event [Member]
Subsequent Event [Line Items]
Debt Instrument, Basis Spread on Variable Rate	5.99%
Debt Instrument, Interest Rate, Stated Percentage	5.31%
Debt Instrument, Periodic Payment, Principal	$ 1,700,000
Subsequent Event [Member] | Terphane Brazil Loan
Subsequent Event [Line Items]
Other Borrowings	20,000,000
Subsequent Event [Member] | Tredegar intercompany
Subsequent Event [Line Items]
Other Borrowings	$ 20,000,000

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
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-URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org//1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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