Fair Value Fair Value (Debt Disclosure) (Details) - USD ($) $ in Thousands		Dec. 31, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term Loan B, Carrying Value		$ 387,685	$ 412,320
Libbey Glass | Senior Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term Loan B, Carrying Value	[1]	384,600	409,000
Libbey Glass | Senior Loans | Level Two
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term Loan B, Fair Value		$ 370,178	$ 412,068

[1] See interest rate swap under "Term Loan B" below and note 12.