SEGMENT AND GEOGRAPHICAL INFORMATION - Schedule of Capital Expenditure (loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total capital expenditures	$ 75,965	$ 66,500	$ 63,996
Purchase of timberlands	179,115	24,695	142,287
Total Gross Capital Expenditures	255,080	91,195	206,283
Real estate development investments	12,521	6,462	6,803
Timber Funds, Portion Attributable To Noncontrolling Interests
Segment Reporting Information [Line Items]
Total capital expenditures	2,800	2,300
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
Total capital expenditures	35,790	35,505	34,574
Purchase of timberlands	168,188	24,241	98,927
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
Total capital expenditures	16,585	11,367	11,220
Purchase of timberlands	0	0	7,340
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
Total capital expenditures	20,128	16,595	17,357
Purchase of timberlands	10,927	454	36,020
Operating Segments | Timber Funds
Segment Reporting Information [Line Items]
Total capital expenditures	3,271	2,606	0
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Total capital expenditures	191	428	204
Corporate and other
Segment Reporting Information [Line Items]
Total capital expenditures	$ 0	$ 0	$ 641