SEGMENT INFORMATION - Business Segment Assets and Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Assets	$ 1,597,211				$ 1,624,512				$ 1,597,211	$ 1,624,512
Net sales	228,699	$ 229,948	$ 231,252	$ 232,540	232,531	$ 244,267	$ 236,693	$ 228,867	922,439	942,358	$ 799,023
Operating Segments | Human Nutrition and Health
Segment Reporting Information [Line Items]
Assets	1,180,527				1,170,238				1,180,527	1,170,238
Net sales									550,751	527,131	442,733
Operating Segments | Animal Nutrition and Health
Segment Reporting Information [Line Items]
Assets	166,994				175,972				166,994	175,972
Net sales									238,326	262,297	226,776
Operating Segments | Specialty Products
Segment Reporting Information [Line Items]
Assets	168,307				177,187				168,307	177,187
Net sales									125,965	131,438	117,020
Other and Unallocated
Segment Reporting Information [Line Items]
Assets	$ 81,383				$ 101,115				81,383	101,115
Net sales									$ 7,397	$ 21,492	$ 12,494