Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: 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=120397183&loc=d3e187085-122770

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- Definition

Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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SUBSEQUENT EVENTS (Details) - $ / shares		3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended		18 Months Ended
SUBSEQUENT EVENTS (Details) - $ / shares	Oct. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2018	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2019
Subsequent Events
Dividend declared (in dollars per share)		$ 0.135	$ 0.125		$ 0.395	$ 0.375
Common Stock
Subsequent Events
Dividend declared (in dollars per share)				$ 0.68	$ 0.54		$ 0.68	$ 0.64	$ 0.50
Subsequent Event \| Common Stock
Subsequent Events
Dividend declared (in dollars per share)	$ 0.135
Subsequent Event \| Series A Preferred Stock
Subsequent Events
Dividend declared (in dollars per share)	0.421875
Subsequent Event \| Series B Preferred Stock
Subsequent Events
Dividend declared (in dollars per share)	0.406250
Subsequent Event \| Series C Preferred Stock
Subsequent Events
Dividend declared (in dollars per share)	$ 1.0083