SUBSEQUENT EVENTS (Details) - Common Stock - Subsequent Event	Nov. 07, 2019 shares
Subsequent Event [Line Items]
Affiliates shares in percentage	87.20%
Class A Common Stock
Subsequent Event [Line Items]
Affiliates shares owned (in shares)	46,223,321

Balance held at close of period in number of shares.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section 50
-Paragraph 6
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant