MERGER WITH POPE RESOURCES - Fair Value of Identifiable Assets Acquired and Liabilities Assumed (Details) $ in Thousands	May 08, 2020 USD ($)
Merger with Pope Resources
Business Acquisition [Line Items]
Cash	$ 16,250
Accounts receivable	4,246
Other current assets	963
Timber and Timberlands	947,703
Higher and Better Use Timberlands and Real Estate Development Investments	34,748
Property, plant and equipment	11,616
Other assets (a)	5,931
Total identifiable assets acquired	1,021,457
Accounts payable	567
Current maturities of long-term debt	25,084
Accrued interest	519
Other current liabilities	11,118
Long-term debt	89,261
Long-term environmental liabilities	10,748
Other non-current liabilities	3,185
Total liabilities assumed	140,482
Net identifiable assets	880,975
Less: noncontrolling interests	(343,054)
Total net assets acquired	537,921
Intangible asset	1,900
Deferred income tax liability	3,200
Core Timberlands
Business Acquisition [Line Items]
Cash	7,380
Accounts receivable	2,459
Other current assets	703
Timber and Timberlands	498,630
Higher and Better Use Timberlands and Real Estate Development Investments	34,748
Property, plant and equipment	11,616
Other assets (a)	3,737
Total identifiable assets acquired	559,273
Accounts payable	274
Current maturities of long-term debt	0
Accrued interest	244
Other current liabilities	9,038
Long-term debt	53,502
Long-term environmental liabilities	10,748
Other non-current liabilities	2,724
Total liabilities assumed	76,530
Net identifiable assets	482,743
Less: noncontrolling interests	(3,816)
Total net assets acquired	478,927
Timber Funds
Business Acquisition [Line Items]
Cash	8,870
Accounts receivable	1,787
Other current assets	260
Timber and Timberlands	449,073
Higher and Better Use Timberlands and Real Estate Development Investments	0
Property, plant and equipment	0
Other assets (a)	2,194
Total identifiable assets acquired	462,184
Accounts payable	293
Current maturities of long-term debt	25,084
Accrued interest	275
Other current liabilities	2,080
Long-term debt	35,759
Long-term environmental liabilities	0
Other non-current liabilities	461
Total liabilities assumed	63,952
Net identifiable assets	398,232
Less: noncontrolling interests	(339,238)
Total net assets acquired	$ 58,994