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Earnings Per Share - Narrative (Details)	0 Months Ended
Earnings Per Share - Narrative (Details)	Jun. 15, 2012	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
Earnings Per Share [Abstract]
Options outstanding		22,250	29,750	66,050
Stock split	200.00%

- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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