Public Offering (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended
	Feb. 22, 2012
Public Offering [Abstract]
Shares issued during Offering	7,750
Additional shares of common stock to cover an over-allotment option granted to underwriters	1,163
Offering price per share	$ 7.50
Reserved shares	1,333
Number of days restricting the sale of reserved shares	90 days
Underwriting discount on sale of common shares, percentage	6.00%
Underwriting discount on sale of common shares, amount per share	$ 0.45
Proceeds from issuance of common stock shares in Offering	$ 63,400

The cash inflow from the additional capital contribution to the entity.

Number of new stock issued during the period.