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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parentheticals)	9 Months Ended
	Sep. 30, 2016 $ / shares
Retained Earnings [Member]
Cash dividends (in dollars per share)	$ 0.81
Cash dividends (in dollars per share)	$ 0.81

X

- Definition

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

+ References

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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: