RELATED PARTY TRANSACTIONS - Other Relationships (Narrative) (Details) - Bimini Capital Management Inc [Member]	Dec. 31, 2017 shares
Related Party Transaction [Line Items]
Orchid Shares Owned	1,520,036
Entity Ownership Percentage	2.90%

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