Fair Value Fair Value (Debt Disclosure) (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term Loan B, Carrying Value		$ 400,068	$ 387,685
Libbey Glass | Senior Loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term Loan B, Carrying Value	[1]	380,200	384,600
Libbey Glass | Senior Loans | Level Two
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Term Loan B, Fair Value		$ 362,141	$ 370,178

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