DESCRIPTION OF BUSINESS AND PRINCIPLES OF INTERIM STATEMENTS - Fair Value of Financial Instruments (Details) - Commercial loans - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Commercial loan investment portfolio
Carrying Value		$ 11,925,699
Variable-rate B-Note Junior Mortgage
Commercial loan investment portfolio
Carrying Value	$ 0	$ 8,960,467

Amount of investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column G))
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Name:	us-gaap_MortgageLoansOnRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant