MERGER WITH POPE RESOURCES (Summary of Consideration Transferred) (Details) - Pope Resources - USD ($) $ / shares in Units, $ in Thousands			6 Months Ended
	May 08, 2020	May 07, 2020	Jun. 30, 2020
Business Acquisition [Line Items]
Pope Resources units outstanding (in shares)	4,366,636
Less: Pope Resources units held by us (in shares)	(114,400)
Units outstanding, net (in shares)	4,252,236
Pirce per share issued per acquiree share (in dollars per share)	$ 37.50
Cash consideration for elections	$ 159,463
General partner interest	10,000
Repayment of Pope Resources debt	65,943
Prepayment penalty and accrued interest on Pope Resources’ debt	2,275
Closing costs paid on behalf of Pope Resources	9,637
Cash consideration transferred	247,318		$ 247,318
Share price (in dollars per share)		$ 24.01
Equity consideration for elections	172,418
Pope Resources replacement awards	222
Equity consideration transferred	172,640
Redeemable Common Unit consideration transferred	106,752
Fair Value of Pope Resources units held by us		$ 11,211
Total consideration	$ 537,921
Common Stock
Business Acquisition [Line Items]
Shares/units issued (in shares/units)	7,181,071
Redeemable Common Units
Business Acquisition [Line Items]
Shares/units issued (in shares/units)	4,446,153