XML 55 R36.htm IDEA: XBRL DOCUMENT
v3.22.4

Debt And Credit Agreements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Debt Disclosure [Abstract] |
Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted EBITDA Levels | Borrowings under the Credit Agreement bear an interest rate equal to Secured Overnight Financing Rate ("SOFR") plus a credit spread adjustment of 10 basis points ("Adjusted Term SOFR Rate") and an amount depending on the type of borrowing and commitment fees charged on the unused amount under the Credit Agreement at various Total Net Leverage Ratio levels as follows:
Pricing Under the Credit Agreement (Basis Points)
Total Net Leverage Ratio | Term Benchmark Spread | Commitment Fee
<= 1.0x | 150.0 |  | 20 |
>1.0x but <=2.0x | 162.5 |  | 25 |
>2.0x but <=3.0x | 175.0 |  | 30 |
>3.0x but <=3.5x | 187.5 |  | 35 |
>3.5x | 200.0 |  | 40 |

X
- Definition Schedule Of Borrowings Under Credit Agreement At Various Indebtedness To Adjusted Ebitda Levels [Table Text Block] + References No definition available. + Details
Name: | tg_ScheduleOfBorrowingsUnderCreditAgreementAtVariousIndebtednessToAdjustedEbitdaLevelsTableTextBlock
Namespace Prefix: | tg_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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