Preferred and Common Stock (Details) - USD ($) $ / shares in Units, $ in Millions	Dec. 12, 2014	Nov. 12, 2014	Jun. 30, 2015	Dec. 31, 2014
Preferred and Common Stock (Textual)
Issuance of common stock, shares		1,380,000
Offering price per share		$ 14.40
Net proceeds from offering		$ 18.4
Preferred stock, par value	$ 1,000		$ 0.01	$ 0.01
Number of preferred stock repurchased	11,242
Over-Allotment Option [Member]
Preferred and Common Stock (Textual)
Issuance of common stock, shares		180,000