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

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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+ References

No definition available.

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Subsequent Events (Details) - $ / shares	3 Months Ended
Subsequent Events (Details) - $ / shares	Mar. 31, 2016	Mar. 31, 2015	Apr. 05, 2016
Subsequent Event [Line Items]
Dividends declared per share	$ 0.2800	$ 0.2500
Religare Invesco Asset Management Company [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage	49.00%
Religare Invesco Asset Management Company [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage			100.00%