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Subsequent Events Authorization of Stock Repurchase Program (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
	Feb. 25, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 09, 2016
Subsequent Event [Line Items]
Common Stock, Dividends, Per Share, Declared		$ 0.155	$ 0.100
Subsequent Event
Subsequent Event [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.05
Stock Repurchase Program, Authorized Amount				$ 10,000

X

- Definition

Aggregate dividends declared 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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X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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X

- Definition

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.

+ References

No definition available.

+ Details

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X

- Details

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