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NOTES RECEIVABLE FROM MOBILE HOME PARKS (MHP Notes) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Notes Receivable from Mobile Home Parks
Notes Receivable
Charge offs	$ 0	$ 0
Allowance for loan losses	$ 0		$ 0
Accounts receivable | Credit concentration risk | Independent third party and affiliates
Notes Receivable
Concentration risk percentage	45.70%		38.30%

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of direct write-downs of financing receivables charged against the allowance.

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