NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS
Redemption value	$ 17,303		$ 17,303
Estimated fair values for accounting purposes	1,389		1,647
Difference between the redemption value and estimated fair value for accounting purposes of the related noncontrolling interests	15,914		15,656
Noncontrolling interests subject to put provisions stated at estimated fair value for accounting purposes	111,823		110,827
Noncontrolling interests subject to put provisions stated at maximum redemption value	127,737		$ 126,483
Total change in fair value of noncontrolling interests subject to put provisions stated at maximum redemption	(3,844)	$ (1,153)
Noncontrolling Interests subject to put provisions
NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS
Change in estimated fair value for accounting purposes	3,586	412
Change in the difference between the redemption value and estimated fair value for accounting purposes of the related noncontrolling interests	258	741
Total change in fair value of noncontrolling interests subject to put provisions stated at maximum redemption	$ 3,844	$ 1,153
Weighted Average Cost of Capital \| Minimum
NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS
Weighted average cost of capital (as a percentage)	0.1450
Weighted Average Cost of Capital \| Maximum
NONCONTROLLING INTERESTS SUBJECT TO PUT PROVISIONS
Weighted average cost of capital (as a percentage)	0.2000

Redeemable Noncontrolling Interest, Equity, Accelerated Portion, Redemption Value

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Redeemable Noncontrolling Interest, Equity, Fair Value, Accelerated Portion

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Redeemable Noncontrolling Interest, Equity, Fair Value, Accelerated Portion, Fair Value Adjustment

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Redeemable Noncontrolling Interest, Equity, Fair Value, Measurement Input

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Temporary Equity, Accretion to Redemption Value, Contractual

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Value of accretion of temporary equity to its redemption value during the period.

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Carrying amount, attributable to parent and noncontrolling interests, of an entity's issued and outstanding stock which is not included within permanent equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. Includes stock with a put option held by an ESOP and stock redeemable by a holder only in the event of a change in control of the issuer.

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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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