Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total borrowings		$ 430,713	$ 436,851
Less - unamortized discount and finance fees		5,483	5,832
Total borrowings -- net		425,230	431,019
Less -- long term debt due within one year		4,761	4,747
Total long-term portion of borrowings -- net		420,469	426,272
Subsidiaries, Libbey Glass and Libbey Europe [Member] | ABL Facility [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Total borrowings		0	0
Subsidiary, Libbey Glass [Member] | Senior Loans [Member]
Debt Instrument [Line Items]
Total borrowings	[1]	$ 427,300	433,400
Interest rate		3.75%
Subsidiary, Libbey Portugal [Member] | AICEP Loan [Member] | Loans Payable [Member]
Debt Instrument [Line Items]
Total borrowings		$ 3,413	$ 3,451
Interest rate		0.00%

[1] See interest rate swap in note 8. The interest rate was 3.75 percent at March 31, 2016.