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Segment and Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Segment Reporting [Line Items]        
Sales Revenue, Goods, Net, Total $ 51,936us-gaap_SalesRevenueGoodsNet $ 44,330us-gaap_SalesRevenueGoodsNet $ 99,777us-gaap_SalesRevenueGoodsNet $ 83,961us-gaap_SalesRevenueGoodsNet
COLOMBIA        
Segment Reporting [Line Items]        
Sales Revenue, Goods, Net, Total 21,797us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_CO
25,373us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_CO
42,752us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_CO
48,335us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_CO
UNITED STATES        
Segment Reporting [Line Items]        
Sales Revenue, Goods, Net, Total 26,041us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= country_US
15,540us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= country_US
47,908us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= country_US
27,920us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= country_US
PANAMA        
Segment Reporting [Line Items]        
Sales Revenue, Goods, Net, Total 3,418us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_PA
2,221us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_PA
7,833us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_PA
5,488us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= stpr_PA
Other [Member]        
Segment Reporting [Line Items]        
Sales Revenue, Goods, Net, Total $ 680us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= tgls_OthersMember
$ 1,196us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= tgls_OthersMember
$ 1,284us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= tgls_OthersMember
$ 2,218us-gaap_SalesRevenueGoodsNet
/ tgls_CountriesAxis
= tgls_OthersMember