Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total borrowings		$ 406,585	$ 387,685
Less - unamortized discount and finance fees		2,874	3,295
Total borrowings -- net		403,711	384,390
Less -- long term debt due within one year		6,085	7,485
Total long-term portion of borrowings -- net		397,626	376,905
Subsidiaries, Libbey Glass and Libbey Europe | Asset-backed Loan Facility | Line of Credit
Debt Instrument [Line Items]
Total borrowings	[1],[2]	$ 22,500	0
Weighted average interest rate		3.65%
Subsidiary, Libbey Glass | Senior Loans
Debt Instrument [Line Items]
Total borrowings	[3]	$ 382,400	384,600
Floating interest rate		5.05%
Subsidiary, Libbey Portugal | AICEP Loan | Loans Payable
Debt Instrument [Line Items]
Total borrowings		$ 1,685	$ 3,085
Stated interest rate		0.00%

[1] Maturity date will be January 9, 2021, if Term Loan B is not refinanced by this date.

[2] The interest rate for the ABL Facility is comprised of several different borrowings at various rates. The weighted average rate of all ABL Facility borrowings was 3.65 percent at June 30, 2018.

[3] 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 5.05 percent at June 30, 2018.