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. 16, 2017	Jul. 06, 2017	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2016
Subsequent Event [Line Items]
Dividends payable, date payable			Apr. 05, 2017	Jan. 05, 2017	Apr. 05, 2016	Jan. 06, 2016
Dividend paid to common stockholders			$ 0.39	$ 0.36	$ 0.36	$ 0.32
Dividends payable, date of record			Mar. 16, 2017	Dec. 16, 2016	Mar. 18, 2016	Dec. 17, 2015
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends payable, date payable		Jul. 06, 2017
Dividend paid to common stockholders		$ 0.39
Dividends payable, date of record	Jun. 16, 2017