Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income Tax Disclosures [Line Items]
Gross unrecognized tax benefits, net of interest and penalties	$ 2,200,000		$ 2,200,000		$ 1,300,000
Tax benefit of intraperiod tax allocation	4,200,000		4,200,000	0
Amount of valuation allowance released	0	0	0	0
Total income tax payments, net of refunds	1,122,000	4,579,000	2,615,000	11,186,000
Less: credits or offsets	816,000	1,371,000	1,424,000	3,498,000
Cash paid, net	$ 306,000	$ 3,208,000	$ 1,191,000	$ 7,688,000
Subsidiary, Libbey China [Member] | Maximum [Member]
Income Tax Disclosures [Line Items]
Deferred tax assets, valuation allowance, estimated time in which allowance may be released			6 months