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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair value of financial instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Consumer Loan | Fair Value | Level 3
Fair value of financial instruments
Loans	$ 115,000	$ 101,000
Consumer Loan | Book Value
Fair value of financial instruments
Loans	111,742	105,042
Notes Receivable from Mobile Home Parks | Fair Value | Level 3
Fair value of financial instruments
Notes receivable	108,000	85,000
Notes Receivable from Mobile Home Parks | Book Value
Fair value of financial instruments
Notes receivable	109,806	86,881
Other Note Receivable | Fair Value | Level 3
Fair value of financial instruments
Notes receivable	15,000	14,000
Other Note Receivable | Book Value
Fair value of financial instruments
Notes receivable	$ 15,104	$ 13,478

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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X

- 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=6877327&loc=d3e13212-122682

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- References

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