RELATED-PARTY TRANSACTIONS AND ARRANGEMENTS (Acquisition Fees and Expenses) (Details) - Maximum - Advisors - Acquisition fees and expenses	Dec. 31, 2019
Related Party Transaction [Line Items]
Acquisition and expenses percentage (up to)	2.00%
Acquisition fees and expenses, reimbursement, percentage (to not exceed)	6.00%

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.

No definition available.

Name:	us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration