HIGHER AND BETTER USE TIMBERLANDS AND REAL ESTATE DEVELOPMENT INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
May 08, 2020	Dec. 31, 2020
Inventory [Line Items]
HBU properties acquired in merger with Pope Resources		$ 26,510
Merger with Pope Resources
Inventory [Line Items]
HBU properties acquired in merger with Pope Resources	$ 26,500

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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