MORTGAGE LOANS RECEIVABLE - Past Due Mortgage Loans Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
90+
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	$ 0	$ 0
Notes receivable	0	0
Fair Value Over (Under) Unpaid Principal Balance	0	0
Mortgage Loans Receivable \| Current
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	1,756,079	1,473,894
Notes receivable	1,756,079	1,515,762
Fair Value Over (Under) Unpaid Principal Balance	0	41,868
Mortgage Loans Receivable \| 90+
Accounts, Notes, Loans and Financing Receivable [Line Items]
Unpaid Principal Balance	0	0
Notes receivable	0	0
Fair Value Over (Under) Unpaid Principal Balance	$ 0	$ 0

Financing Receivable, Over (Under) Face Amount

No definition available.

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- Definition

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.

+ References

No definition available.

+ Details

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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://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

+ Details

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- Details

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- Details

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- Details

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