Stockholders' Equity (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended			1 Months Ended		0 Months Ended		1 Months Ended
	Dec. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012	Oct. 31, 2012	Feb. 13, 2013	Feb. 15, 2013	Jan. 18, 2012	Jan. 31, 2013
Class of Stock [Line Items]
Value of stock issued			$ 118,862,500	$ 4,757,470
Value of OP units and common stock issued	25,151,174
Offering fees	763,000		216,658
Common stock repurchase liability, common shares	515,035			515,035	515,035					265,245
Other liabilities										5,800,000
Payment of common stock repurchase liability			5,750,512
Common stock, shares outstanding		7,970,886	7,970,886
Payments for Repurchase of Preferred Stock and Preference Stock			148,379	15,424
ZAIS Financial Partners, L.P. [Member]
Limited Partners' Capital Account [Line Items]
Issuance of OP units					904,422	22,492
ZAIS REIT Management, LLC [Member]
Class of Stock [Line Items]
Offering fees							6,300,000
Common Stock [Member]
Class of Stock [Line Items]
Shares of stock issued					36,581	195,458	5,650,000
Common stock issued, price per share							$ 21.25
Gross proceeds from issuance initial public offering							120,100,000
Value of stock issued							118,900,000
Offering fees							1,200,000
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Shares of stock issued									133
Value of stock issued									115,499
Offering fees									17,501
Number of shares repurchased								133
Payments for Repurchase of Preferred Stock and Preference Stock								$ 148,379