Significant Accounting Policies - IPO (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2013	Dec. 31, 2014
Accounting Policies [Abstract]
Initial Offering Period		February 20, 2013
Stock Issued During Period Shares New Issues	6,235,017	2,400,000	13,352,147
Proceeds From Issuance Initial Public Offering		$ 35,400,000