VARIABLE INTEREST ENTITIES - Narrative (Details) - Variable Interest Entity, Primary Beneficiary - ORM Timber Funds	3 Months Ended
Mar. 31, 2021 fund
Variable Interest Entity [Line Items]
Number of timber funds	3
ORM Timber Fund II
Variable Interest Entity [Line Items]
Ownership interest	20.00%
ORM Timber Fund III
Variable Interest Entity [Line Items]
Ownership interest	5.00%
ORM Timber Fund IV
Variable Interest Entity [Line Items]
Ownership interest	15.00%

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121559654&loc=SL6759159-111685

Name:	us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration