Shareholders' Equity (Detail Textuals 1) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended	3 Months Ended
Jun. 30, 2013	Mar. 31, 2013 Option Holder ESOP
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Number of options elected to exercise		15,000
Exercise of stock options	$ 92	$ 70
Tax benefit associated with option exercised		$ 21

Number of share options (or share units) exercised during the current period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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