Borrowings (Debt Schedule) (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
Total borrowings		$ 400,068	$ 387,685
Less — unamortized discount and finance fees		2,368	3,295
Total borrowings — net		397,700	384,390
Less — long term debt due within one year		4,400	7,485
Total long-term portion of borrowings — net		393,300	$ 376,905
Libbey Glass and Libbey Europe | ABL Facility | Line of Credit
Debt Instrument [Line Items]
Total borrowings	[1],[2]	$ 19,868
Weighted average interest rate		1.94%
Libbey Glass | Senior Loans
Debt Instrument [Line Items]
Interest rate		5.39%	4.43%
Total borrowings	[3]	$ 380,200	$ 384,600
Libbey Glass | ABL Facility | Line of Credit
Debt Instrument [Line Items]
Total borrowings		$ 3,500	0
Libbey Portugal | AICEP Loan | Loans Payable
Debt Instrument [Line Items]
Interest rate		0.00%
Total borrowings		$ 0	$ 3,085

[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 1.94 percent at December 31, 2018.

[3] See interest rate swaps under "Term Loan B" below and note 12.