CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Total Kraton Equity	Common Stock	Additional Paid in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interest
Beginning Balance at Dec. 31, 2018	$ 747,599	$ 715,138	$ 319	$ 385,921	$ 420,597	$ (91,699)	$ 32,461
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	55,817	51,305			51,305		4,512
Other comprehensive income (loss)	(13,084)	(14,096)				(14,096)	1,012
Retired treasury stock from employee tax withholdings	(2,821)	(2,821)		(1,431)	(1,390)
Canceled stock from share repurchases	(10,000)	(10,000)	(3)	(4,197)	(5,800)
Exercise of stock options	2,424	2,424	1	2,423
Non-cash compensation related to equity awards	9,493	9,493	1	9,492
Ending Balance at Dec. 31, 2019	789,428	751,443	318	392,208	464,712	(105,795)	37,985
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(221,686)	(225,602)			(225,602)		3,916
Other comprehensive income (loss)	70,668	67,930				67,930	2,738
Retired treasury stock from employee tax withholdings	(847)	(847)		(2,201)	1,354
Exercise of stock options	78	78		78
Non-cash compensation related to equity awards	11,361	11,361	1	11,360
Ending Balance at Dec. 31, 2020	649,002	604,363	319	401,445	240,464	(37,865)	44,639
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	175,590	170,226			170,226		5,364
Other comprehensive income (loss)	10,719	9,944				9,944	775
Distribution to noncontrolling interest	(102)						(102)
Retired treasury stock from employee tax withholdings	(4,946)	(4,946)	(1)	(3,872)	(1,073)
Exercise of stock options	6,399	6,399	1	6,398
Non-cash compensation related to equity awards	11,342	11,342	3	11,339
Ending Balance at Dec. 31, 2021	$ 848,004	$ 797,328	$ 322	$ 415,310	$ 409,617	$ (27,921)	$ 50,676