SEGMENT INFORMATION - Business Segment Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Business segment assets	$ 1,686,252	$ 1,575,371
Operating Segments | HNH
Segment Reporting Information [Line Items]
Business segment assets	1,243,522	1,185,962
Operating Segments | ANH
Segment Reporting Information [Line Items]
Business segment assets	176,608	161,243
Operating Segments | SP
Segment Reporting Information [Line Items]
Business segment assets	172,076	161,283
Other and Unallocated
Segment Reporting Information [Line Items]
Business segment assets	$ 94,046	$ 66,883