Aggregate dividends paid 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

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

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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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No definition available.

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Subsequent Events (Details) - $ / shares			3 Months Ended		6 Months Ended
Subsequent Events (Details) - $ / shares	Jul. 16, 2018	Jul. 06, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Subsequent Event
Cash dividend declared (in dollars per share)			$ 0.0625	$ 0.0625	$ 0.13	$ 0.13
Subsequent Event
Subsequent Event
Cash dividends paid (in dollars per share)		$ 0.0625
Cash dividend declared (in dollars per share)	$ 0.0625