Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total borrowings		$ 402,470	$ 412,320
Less - unamortized discount and finance fees		3,588	4,480
Total borrowings -- net		398,882	407,840
Less -- long term debt due within one year		7,443	5,009
Total long-term portion of borrowings -- net		391,439	402,831
Subsidiaries, Libbey Glass and Libbey Europe [Member] | Asset-backed Loan Facility | Line of Credit
Debt Instrument [Line Items]
Total borrowings		8,727	0
Subsidiary, Libbey Glass | Senior Loans
Debt Instrument [Line Items]
Total borrowings	[1]	$ 390,700	409,000
Interest rate		4.24%
Subsidiary, Libbey Portugal | AICEP Loan | Loans Payable
Debt Instrument [Line Items]
Total borrowings		$ 3,043	$ 3,320
Interest rate		0.00%

[1] We have entered into an interest rate swap that 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 4.24 percent at September 30, 2017.