GUARANTEES AND COLLATERAL (Collateral and Restricted Assets) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial Instruments Owned and Pledged as Collateral [Line Items]
Restricted cash	$ 7,009	$ 4,250
Investments in partnerships	349,362	296,855
Total Assets Pledged	356,371	301,105
Interest rate swap [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Restricted cash	3,901	1,803
Total Assets Pledged	3,901	1,803
Debt and derivatives \| SAWHF [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Restricted cash	1,374	1,369
Investments in partnerships	4,761	7,732
Total Assets Pledged	$ 6,135	$ 9,101
Ownership interest (as a percent)	11.85%	11.85%
Debt and derivatives TRSs [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Restricted cash		$ 1,070
Investments in partnerships		289,123
Total Assets Pledged		290,193
Other, Pledged or Restricted [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Restricted cash	$ 8	8
Total Assets Pledged	8	$ 8
Revolving Credit Facility [Member]
Financial Instruments Owned and Pledged as Collateral [Line Items]
Restricted cash	1,726
Investments in partnerships	344,601
Total Assets Pledged	$ 346,327

Carrying amount as of the balance sheet date of assets that have been pledged as collateral.

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- Definition

The amount of restricted investment in equity method investee and investment in and advance to affiliate

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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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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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 944
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