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.

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+ Details

Significant Accounting Policies (Details Textual) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Financial_Institutions	Jun. 30, 2012 Stock Options [Member]	Jun. 30, 2011 Stock Options [Member]
Significant Accounting Policies (Textual) [Abstract]
Numbers of financial institutions			2
Weighted options outstanding to purchase common stock	10.2	5.1		11.3	9.6
Contractual maturity of a particular investment			1 year
Respective stock option			4 years