Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

We disaggregate our revenue by segment product lines, which is how we market our products and review results of operations. The following tables disaggregate our segment revenue by major product lines:

	Years Ended December 31,
	2021		2020		2019
Revenue	(In thousands)
Performance Products	$	627,618	$	459,906	$	531,437
Specialty Polymers	409,736		316,206		334,726
Cariflex	—		36,930		186,266
Isoprene Rubber	59,899		42,986		—
Other	1,532		1,530		539
Polymer Product Line Revenue	$	1,098,785	$	857,558	$	1,052,968

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(1)     Cariflex is included in the results of operations through March 6, 2020. See Note 4 Disposition and Exit of Business Activities for further information on the divestiture of our Cariflex business.

	Years Ended December 31,
	2021		2020		2019
Revenue	(In thousands)
Adhesives	$	306,662	$	257,855	$	262,941
Performance Chemicals	503,135		406,152		438,146
Tires	61,547		41,585		50,381
Chemical Product Line Revenue	$	871,344	$	705,592	$	751,468

Schedule of Contract with Customer, Asset and Liability

	December 31, 2021		December 31, 2020
	(In thousands)
Contract receivables(1)	$	229,267	$	179,805
Contract liabilities(2)	$	147,383	$	175,511

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(1)     Contract receivables are recorded within receivables, net of allowances on our Consolidated Balance Sheets.

(2)    Our contract liability consists of $136.4 million of non-cash deferred income related to the IRSA and $9.3 million of non-cash deferred income related to a supply agreement with a significant lubricant additive customer. The impact from currency exchange rates is $1.7 million.