Investment in Associated Companies - Narrative (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Schedule Of Equity Method Investments [Line Items]
Equity Method Investments	$ 93,822,000	$ 21,316,000
Nippon Quaker (Japan) [Member] | Asia Pacific [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment Ownership Percentage	50.00%
Equity Method Investments	$ 7,000,000.0
Kelko (Venezuela) [Member] | Americas [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment Ownership Percentage	50.00%
Equity Method Investments	$ 0
Kelko (Panama) [Member] | Americas [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment Ownership Percentage	50.00%
Equity Method Investments	$ 200,000
Primex (Barbados) [Member] | Americas [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment Ownership Percentage	33.00%
Equity Method Investments	$ 16,200,000
Houghton Korea [Member] | Asia Pacific [Member]
Schedule Of Equity Method Investments [Line Items]
Equity Method Investment Ownership Percentage	50.00%
Equity Method Investments	$ 70,400,000