Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Jun. 30, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Total borrowings		$ 424,361	$ 436,851
Less - unamortized discount and finance fees		5,141	5,832
Total borrowings -- net		419,220	431,019
Less -- long term debt due within one year		4,577	4,747
Total long-term portion of borrowings -- net		414,643	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]	$ 421,200	433,400
Interest rate		3.75%
Subsidiary, Libbey Portugal [Member] | AICEP Loan [Member] | Loans Payable [Member]
Debt Instrument [Line Items]
Total borrowings		$ 3,161	$ 3,451
Interest rate		0.00%

[1] A portion of the Term Loan B debt has been converted to a fixed rate. See interest rate swap in note 8 for additional details. The Term Loan B floating interest rate was 3.75 percent at June 30, 2016.