Stockholders' Equity (Details) (USD $)	3 Months Ended	6 Months Ended		12 Months Ended									1 Months Ended		0 Months Ended		1 Months Ended		0 Months Ended	1 Months Ended
	Dec. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Jun. 25, 2013	May 14, 2013	Jan. 31, 2013	Dec. 19, 2012	Nov. 29, 2012	Oct. 22, 2012	Jun. 05, 2012	May 01, 2012	Dec. 31, 2012 ZAIS Financial Partners, L.P. [Member]	Oct. 31, 2012 ZAIS Financial Partners, L.P. [Member]	Feb. 13, 2013 ZAIS REIT Management, LLC [Member]	Feb. 13, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Oct. 31, 2012 Common Stock [Member]	Feb. 15, 2013 Preferred Stock [Member]	Jan. 18, 2012 Preferred Stock [Member]
Stockholders' Equity [Abstract]
Common stock, shares outstanding	2,071,096	7,970,886		2,071,096
Class of Stock [Line Items]
Shares of stock issued																5,650,000	36,581	195,458		133
Common stock issued, price per share																$ 21.25
Gross proceeds from issuance initial public offering																$ 120,100,000
Value of stock issued		118,862,500		4,757,470												118,900,000				115,499
Value of OP units and common stock issued	25,151,174
Offering fees	763,000	216,658													6,300,000	1,200,000				17,501
Common stock repurchase liability, common shares	515,035			515,035			265,245
Payments for common stock repurchased		5,750,512
Number of shares repurchased																			133
Payments for Repurchase of Preferred Stock and Preference Stock		$ 148,379	$ 7,574																$ 148,379
Limited Partners' Capital Account [Line Items]
Issuance of OP units													904,422	22,492
Dividend declared, amount per share					$ 0.45	$ 0.22		$ 1.16	$ 0.98	$ 0.89	$ 0.57	$ 0.51