Stockholders' Equity (Details 1) (USD $)	6 Months Ended
Jun. 30, 2013
Summary of repurchased shares
Total Number of Shares Redeemed	90,585
First Quarter [Member]
Summary of repurchased shares
Total Number of Shares Redeemed	60,432
Average Price Paid per Share	$ 9.98
Second Quarter [Member]
Summary of repurchased shares
Total Number of Shares Redeemed	30,153
Average Price Paid per Share	$ 10.02

Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration