Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total borrowings		$ 400,221	$ 412,320
Less - unamortized discount and finance fees		3,840	4,480
Total borrowings -- net		396,381	407,840
Less -- long term debt due within one year		6,174	5,009
Total long-term portion of borrowings -- net		390,207	402,831
Subsidiaries, Libbey Glass and Libbey Europe [Member] | Asset-backed Loan Facility | Line of Credit
Debt Instrument [Line Items]
Total borrowings		0	0
Subsidiary, Libbey Glass | Senior Loans
Debt Instrument [Line Items]
Total borrowings	[1]	$ 396,800	409,000
Interest rate		4.10%
Subsidiary, Libbey Portugal | AICEP Loan | Loans Payable
Debt Instrument [Line Items]
Total borrowings		$ 3,421	$ 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 4.10 percent at June 30, 2017.