Basis of Financial Statement Presentation	6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Financial Statement Presentation	Basis of Financial Statement Presentation General The accompanying unaudited interim condensed consolidated financial statements of Alamo Group Inc. and its subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulations S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2026. The balance sheet at December 31, 2025 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s annual report on Form 10-K for the year ended December 31, 2025 (the "2025 10-K"). Accounting Pronouncements Not Yet Adopted In November 2024, the FASB issued ASU No. 2024-03, Expense Disaggregation Disclosures (Subtopic 220-40). The ASU requires disaggregated Income Statement Expenses. The ASU is effective for annual periods beginning after December 15, 2026, and interim reporting periods within annual reporting periods beginning after December 15, 2027. Early adoption is also permitted. This ASU will result in the required additional disclosures being included in our consolidated financial statements, once adopted.

Basis of Financial Statement Presentation

6 Months Ended

Jun. 30, 2026

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Financial Statement Presentation

General

The accompanying unaudited interim condensed consolidated financial statements of Alamo Group Inc. and its subsidiaries (the “Company”) have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulations S-X. Accordingly, they do not include all of the information and footnotes required by U.S. GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the periods presented are not necessarily indicative of the results that may be expected for the year ending December 31, 2026. The balance sheet at December 31, 2025 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by U.S. GAAP for complete financial statements. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s annual report on Form 10-K for the year ended December 31, 2025 (the "2025 10-K").

Accounting Pronouncements Not Yet Adopted

In November 2024, the FASB issued ASU No. 2024-03, Expense Disaggregation Disclosures (Subtopic 220-40). The ASU requires disaggregated Income Statement Expenses. The ASU is effective for annual periods beginning after December 15, 2026, and interim reporting periods within annual reporting periods beginning after December 15, 2027. Early adoption is also permitted. This ASU will result in the required additional disclosures being included in our consolidated financial statements, once adopted.