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=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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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

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- Definition

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

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Dividends (Details) - $ / shares		3 Months Ended		6 Months Ended
Dividends (Details) - $ / shares	Oct. 16, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Dividends [Abstract]
Common stock, dividends, per share, declared (in dollars per share)		$ 0.1000	$ 0.0975	$ 0.2000	$ 0.1950
2019 Q2 Dividend [Member]
Dividends [Abstract]
Dividends payable, date declared		Oct. 16, 2018
Common stock, dividends, per share, declared (in dollars per share)	$ 0.10
Dividends payable, date of record		Nov. 15, 2018
Dividends payable, date paid		Nov. 30, 2018
2019 Annual Dividend [Member]
Dividends [Abstract]
Common stock, dividends, per share, declared (in dollars per share)	$ 0.40