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DIVIDENDS (Details) - USD ($)														12 Months Ended
	Jan. 22, 2020	Oct. 21, 2019	Jul. 19, 2019	Apr. 22, 2019	Jan. 18, 2019	Oct. 23, 2018	Jul. 20, 2018	Apr. 24, 2018	Jan. 19, 2018	Oct. 20, 2017	Jul. 20, 2017	Apr. 24, 2017	Jan. 06, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Dividends
Preferred dividends declared														$ 54,800	$ 55,113	$ 55,113
Series I, Class B
Dividends
Preferred dividends declared	$ 12,000	$ 12,000	$ 12,000	$ 12,313	$ 12,313	$ 12,313	$ 12,313	$ 12,313	$ 12,313	$ 12,313	$ 12,313	$ 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	$ 42,800	$ 42,800	$ 42,800	$ 42,800	$ 42,800	$ 42,800

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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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