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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Common Equity - Common Stock Dividends (Details) - $ / shares		3 Months Ended		9 Months Ended
	Oct. 20, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared		$ 0.4950	$ 0.0000	$ 1.4850	$ 1.2854
Subsequent Event
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.4950