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Earnings per Share (Detail Textuals 1) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016	Aug. 06, 2015
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount	46,244		46,244
Share repurchase plan, Authorized amount					$ 2.0
Total number of common stock repurchased		48,608
Average price per share of total common stock repurchased		$ 15.34
Number of common stock repurchased		4,715	15,301	41,738
Average price per share of common stock repurchased		$ 19.01
Value used to purchase shares under the plan		$ 1.3

X

- Definition

Average price per share of common stock repurchase.

+ References

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Total cost of shares repurchased divided by the total number of shares repurchased.

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