| Component: (Network and Table) | |
|---|---|
| Network | 2406402 - Disclosure - Goodwill (Schedule of Goodwill) (Details) (http://www.alamo-group.com/role/GoodwillScheduleOfGoodwillDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000897077 (http://www.sec.gov/CIK) |
| Goodwill and Intangible Assets Disclosure [Abstract] | Period [Axis] | ||
|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | 2014-01-01 - 2014-12-31 | |
Goodwill and Intangible Assets Disclosure [Abstract] | |||
Goodwill [Roll Forward] | |||
Goodwill, balance at the beginning of the period | 75,509,000 | ||
Translation adjustment | ( | ( | ( |
Goodwill acquired | |||
Goodwill, balance at the end of the period | 74,825,000 | 75,509,000 | 75,691,000 |