CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Total Kraton Stockholders' Equity	Noncontrolling Interest
Beginning Balance at Dec. 31, 2011	$ 517,794	$ 321	$ 347,455	$ 187,636	$ (17,618)	$ 517,794	$ 0
Net income	28,760	0	0	28,760	0	28,760	0
Other comprehensive loss	(11,376)	0	0	0	(11,376)	(11,376)	0
Exercise of stock options	260	1	259	0	0	260	0
Non-cash compensation related to equity awards	3,737	0	3,737	0	0	3,737	0
Ending Balance at Jun. 30, 2012	539,175	322	351,451	216,396	(28,994)	539,175	0
Beginning Balance at Dec. 31, 2012	492,215	323	354,957	171,445	(34,510)	492,215	0
Net income	153	0	0	81	0	81	72
Other comprehensive loss	(12,773)	0	0	0	(12,634)	(12,634)	(139)
Consolidation of variable interest entity	15,174	0	0	0	0	0	15,174
Exercise of stock options	310	2	308	0	0	310	0
Non-cash compensation related to equity awards	4,530	0	4,530	0	0	4,530	0
Ending Balance at Jun. 30, 2013	$ 499,609	$ 325	$ 359,795	$ 171,526	$ (47,144)	$ 484,502	$ 15,107