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Schedule II Valuation and Qualifying Accounts | 12 Months Ended
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Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II Valuation and Qualifying Accounts | L.B. FOSTER COMPANY AND SUBSIDIARIES SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS FOR THE YEARS ENDED DECEMBER 31, 2023 AND 2022
|  | Balance at Beginning of Year |  | Additions Charged to Costs and Expenses |  | Other adjustments (1) |  |  |  | Balance at End of Year
Allowance for credit losses |  |  |  |  |  |  |  |  |  |
For the year ended December 31, |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 813 |  |  | $ | 1,020 |  |  | $ | (1,024) |  |  |  |  | $ | 809 |
2022 |  | $ | 547 |  |  | $ | 382 |  |  | $ | (116) |  |  |  |  | $ | 813 |
1.Notes and accounts receivable written off as uncollectible or allowance reversed.
|  | Balance at Beginning of Year |  | Additions Charged to Costs and Expenses |  | Other adjustments (1) |  |  |  | Balance at End of Year
Valuation allowance for deferred tax assets |  |  |  |  |  |  |  |  |  |
For the year ended December 31, |  |  |  |  |  |  |  |  |  |
2023 |  | $ | 40,601 |  |  | $ | (723) |  |  | $ | 247 |  |  |  |  | $ | 40,125 |
2022 |  | $ | 3,290 |  |  | $ | 37,895 |  |  | $ | (584) |  |  |  |  | $ | 40,601 |
1.Consists primarily of adjustments related to unrealized income on interest rate swap contracts.

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-4 + Details
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