CAPITAL REQUIREMENTS OF REGULATED ENTITIES (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Broker-Dealer, Net Capital Requirement, SEC Regulation [Abstract]
Potential restricted amounts	$ 190.7	$ 183.7

Capital Requirements, Restrictions as to the Payment of Cash Dividends and Advances to the Company

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant