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DIVIDENDS (Details) - USD ($)								6 Months Ended
	Jul. 20, 2020	Apr. 20, 2020	Jan. 22, 2020	Oct. 21, 2019	Jul. 19, 2019	Apr. 22, 2019	Jan. 18, 2019	Jun. 30, 2020	Jun. 30, 2019
Dividends
Preferred dividends declared								$ 54,800	$ 54,800
Series I, Class B
Dividends
Preferred dividends declared	$ 12,000	$ 12,000	$ 12,000	$ 12,000	$ 12,000	$ 12,313	$ 12,313
Series II, Class B
Dividends
Preferred dividends declared	$ 42,800	$ 42,800	$ 42,800	$ 42,800	$ 42,800	$ 42,800	$ 42,800

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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.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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