| Component: (Network and Table) | |
|---|---|
| Network | 2401404 - Disclosure - Significant Accounting Policies (Schedule of Fair Value Assumptions and Methodology) (Details) (http://www.alamo-group.com/role/SignificantAccountingPoliciesScheduleOfFairValueAssumptionsAndMethodologyDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000897077 (http://www.sec.gov/CIK) |
| Accounting Policies [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | 2014-01-01 - 2014-12-31 | |
Accounting Policies [Abstract] | |||
Risk-free interest rate (percentage) | |||
Dividend yield (percentage) | |||
Volatility factors (percentage) | |||
Weighted-average expected life | |||