Formation and Organization	9 Months Ended
Sep. 30, 2013
Formation and Organization [Abstract]
Formation and Organization	1. Formation and Organization ZAIS Financial Corp. (the "Company") was incorporated in Maryland on May 24, 2011, and has elected to be taxed and to qualify as a real estate investment trust ("REIT") beginning with the taxable year ended December 31, 2011. The Company was initially capitalized and commenced operations on July 29, 2011, when it completed an exchange of a mutually agreed upon portion of the shareholders' and limited partners' interests in the ZAIS Matrix VI-A Ltd. and ZAIS Matrix VI-B L.P. funds (the "Matrix Funds") managed by ZAIS Group, LLC ("ZAIS"), which included cash of $3,036,222 and real estate securities having a fair value of $57,416,118, for 3,022,617 shares of the Company's common stock or operating partnership units ("OP units") in ZAIS Financial Partners, L.P., the Company's consolidated operating partnership subsidiary (the "Operating Partnership"). On February 13, 2013, the Company completed its initial public offering ("IPO"), pursuant to which the Company sold 5,650,000 shares of its common stock at a price of $21.25 per share for gross proceeds of $120.1 million. Net proceeds after the payment of offering costs of $1.2 million were $118.9 million. The Company primarily invests in, finances and manages performing and re-performing residential mortgage loans and may, in the future, focus on newly originated mortgage loans. The Company also invests in, finances and manages residential mortgage-backed securities ("RMBS") that are not issued or guaranteed by a federally chartered corporation, such as the Federal National Mortgage Association ("Fannie Mae"), or the Federal Home Loan Mortgage Corporation ("Freddie Mac"), or an agency of the United States ("U.S.") Government, such as the Government National Mortgage Association ("Ginnie Mae") ("non-Agency RMBS"), and RMBS that are issued or guaranteed by a federally chartered corporation or a U.S. Government agency ("Agency RMBS"). The Company's RMBS strategy focuses on non-Agency RMBS with an emphasis on securities that, when originally issued, were rated in the highest rating category by one or more of the nationally recognized statistical rating organizations. The Company also has the discretion to invest in Agency RMBS through To-Be-Announced ("TBA") contracts and in other real estate-related and financial assets, such as mortgage servicing rights ("MSRs"), interest only strips created from RMBS ("IOs"), commercial mortgage-backed securities ("CMBS") and asset-backed securities ("ABS"). The Company refers collectively to the assets it targets for acquisition as its target assets. The Company is externally managed by ZAIS REIT Management, LLC (the "Advisor"), a subsidiary of ZAIS, and has no employees. The Company is the sole general partner of, and conducts substantially all of its business through, the Operating Partnership. The Company's charter authorizes the issuance of up to 500,000,000 shares of common stock with a par value of $0.0001 per share, and 50,000,000 shares of preferred stock, with a par value of $0.0001 per share. The Company's board of directors is authorized to amend its charter, without the approval of stockholders, to increase the aggregate number of authorized shares of capital stock or the number of shares of any class or series of capital stock or to classify and reclassify any unissued shares of its capital stock into other classes or series of stock that the Company has authority to issue.

1. Formation and Organization

ZAIS Financial Corp. (the "Company") was incorporated in Maryland on May 24, 2011, and has elected to be taxed and to qualify as a real estate investment trust ("REIT") beginning with the taxable year ended December 31, 2011. The Company was initially capitalized and commenced operations on July 29, 2011, when it completed an exchange of a mutually agreed upon portion of the shareholders' and limited partners' interests in the ZAIS Matrix VI-A Ltd. and ZAIS Matrix VI-B L.P. funds (the "Matrix Funds") managed by ZAIS Group, LLC ("ZAIS"), which included cash of $3,036,222 and real estate securities having a fair value of $57,416,118, for 3,022,617 shares of the Company's common stock or operating partnership units ("OP units") in ZAIS Financial Partners, L.P., the Company's consolidated operating partnership subsidiary (the "Operating Partnership"). On February 13, 2013, the Company completed its initial public offering ("IPO"), pursuant to which the Company sold 5,650,000 shares of its common stock at a price of $21.25 per share for gross proceeds of $120.1 million. Net proceeds after the payment of offering costs of $1.2 million were $118.9 million.

The Company primarily invests in, finances and manages performing and re-performing residential mortgage loans and may, in the future, focus on newly originated mortgage loans. The Company also invests in, finances and manages residential mortgage-backed securities ("RMBS") that are not issued or guaranteed by a federally chartered corporation, such as the Federal National Mortgage Association ("Fannie Mae"), or the Federal Home Loan Mortgage Corporation ("Freddie Mac"), or an agency of the United States ("U.S.") Government, such as the Government National Mortgage Association ("Ginnie Mae") ("non-Agency RMBS"), and RMBS that are issued or guaranteed by a federally chartered corporation or a U.S. Government agency ("Agency RMBS"). The Company's RMBS strategy focuses on non-Agency RMBS with an emphasis on securities that, when originally issued, were rated in the highest rating category by one or more of the nationally recognized statistical rating organizations. The Company also has the discretion to invest in Agency RMBS through To-Be-Announced ("TBA") contracts and in other real estate-related and financial assets, such as mortgage servicing rights ("MSRs"), interest only strips created from RMBS ("IOs"), commercial mortgage-backed securities ("CMBS") and asset-backed securities ("ABS"). The Company refers collectively to the assets it targets for acquisition as its target assets.

The Company is externally managed by ZAIS REIT Management, LLC (the "Advisor"), a subsidiary of ZAIS, and has no employees. The Company is the sole general partner of, and conducts substantially all of its business through, the Operating Partnership.

The Company's charter authorizes the issuance of up to 500,000,000 shares of common stock with a par value of $0.0001 per share, and 50,000,000 shares of preferred stock, with a par value of $0.0001 per share. The Company's board of directors is authorized to amend its charter, without the approval of stockholders, to increase the aggregate number of authorized shares of capital stock or the number of shares of any class or series of capital stock or to classify and reclassify any unissued shares of its capital stock into other classes or series of stock that the Company has authority to issue.