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HIGHER AND BETTER USE TIMBERLANDS AND REAL ESTATE DEVELOPMENT INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands |  | 12 Months Ended
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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 |

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- Definition Inventory, Real Estate, Land And Land Development Costs, Land And Timber Acquired In Merger + References No definition available. + Details
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- Definition 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. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |