Aggregate dividends paid 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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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

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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.

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Subsequent Events (Narrative) (Details) - $ / shares		3 Months Ended
Subsequent Events (Narrative) (Details) - $ / shares	Jul. 06, 2016	Jun. 30, 2016	Mar. 31, 2016	Jun. 30, 2015	Mar. 31, 2015
Subsequent Event [Line Items]
Dividend paid to common stockholders		$ 0.36	$ 0.32	$ 0.32	$ 0.29
Dividends payable, date of record		Mar. 18, 2016	Dec. 17, 2015	Mar. 20, 2015	Dec. 19, 2014
Dividends payable, date payable		Apr. 05, 2016	Jan. 06, 2016	Apr. 07, 2015	Jan. 07, 2015
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend paid to common stockholders	$ 0.36
Dividends payable, date of record	Jun. 17, 2016
Dividends payable, date payable	Jul. 06, 2016