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DERIVATIVE FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS - Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Fair Value | Level 3 | Consumer Loan
Receivables, Fair Value Disclosure [Abstract]
Loans	$ 123,000	$ 115,000
Fair Value | Level 3 | Notes Receivable from Mobile Home Parks
Receivables, Fair Value Disclosure [Abstract]
Notes receivable	81,000	108,000
Fair Value | Level 3 | Other Note Receivable
Receivables, Fair Value Disclosure [Abstract]
Notes receivable	33,859	15,000
Book Value | Consumer Loan
Receivables, Fair Value Disclosure [Abstract]
Loans	121,637	111,920
Book Value | Notes Receivable from Mobile Home Parks
Receivables, Fair Value Disclosure [Abstract]
Notes receivable	82,118	109,806
Book Value | Other Note Receivable
Receivables, Fair Value Disclosure [Abstract]
Notes receivable	$ 34,066	$ 15,104

X

- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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- Definition

Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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