Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total borrowings		$ 406,100	$ 412,320
Less - unamortized discount and finance fees		4,156	4,480
Total borrowings -- net		401,944	407,840
Less -- long term debt due within one year		6,059	5,009
Total long-term portion of borrowings -- net		395,885	402,831
Subsidiaries, Libbey Glass and Libbey Europe [Member] | Asset-backed Loan 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]	$ 402,900	409,000
Interest rate		3.85%
Subsidiary, Libbey Portugal [Member] | AICEP Loan [Member] | Loans Payable [Member]
Debt Instrument [Line Items]
Total borrowings		$ 3,200	$ 3,320
Interest rate		0.00%

[1] We have entered into an interest rate swap which effectively fixes a series of our future interest payments on a portion of the Term Loan B debt. See interest rate swap in note 8 for additional details. The Term Loan B floating interest rate was 3.85 percent at March 31, 2017.