Document and Entity Information
12 Months Ended
Dec. 31, 2017
Document Information [Line Items]  
Entity Registrant Name SPIRIT REALTY CAPITAL, INC.
Entity Central Index Key 0001308606
Document Type 8-K
Document Period End Date Dec. 31, 2017
Amendment Flag false
Spirit Realty, L.P.  
Document Information [Line Items]  
Entity Registrant Name SPIRIT REALTY, L.P.