Consolidated Balance Sheets (Parenthetical) - $ / shares |
Sep. 30, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Common stock, par value per share (in USD per share) | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 750,000,000 | 750,000,000 |
| Common stock, shares issued | 455,900,032 | 483,624,120 |
| Common stock, shares outstanding | 455,900,032 | 483,624,120 |
| Spirit Realty, L.P. | ||
| General partners' capital, shares issued | 3,988,218 | 3,988,218 |
| General partners' capital, shares outstanding | 3,988,218 | 3,988,218 |
| Limited partners' capital, shares issued | 451,911,814 | 479,635,902 |
| Limited partners' capital, shares outstanding | 451,911,814 | 479,635,902 |