Consolidated Balance Sheets (Parenthetical) - $ / shares		Mar. 31, 2020	Dec. 31, 2019
Stockholders’ equity:
Preferred stock, par value (in USD per share)		$ 0.01	$ 0.01
Preferred stock, shares authorized		20,000,000	20,000,000
Preferred stock, shares issued		6,900,000	6,900,000
Preferred stock, shares outstanding		6,900,000	6,900,000
Common stock, par value per share (in USD per share)		$ 0.05	$ 0.05
Common stock, shares authorized		175,000,000	175,000,000
Common stock, shares issued		102,942,162	102,476,152
Common stock, shares outstanding		102,942,162	102,476,152
Spirit Realty, L.P. | General Partner's Capital
Partnership units
General partners' capital, units issued		797,644	797,644
General partners' capital, units outstanding	[1]	797,644	797,644
Spirit Realty, L.P. | Limited Partners' Capital
Partnership units
Limited partners' capital, units issued		102,144,518	101,678,508
Limited partners' capital, units outstanding	[2]	102,144,518	101,678,508
Spirit Realty, L.P. | Limited Partners' Capital | Limited Partner Series A Preferred Units
Partnership units
Limited partners' preferred capital, units issued		6,900,000	6,900,000
Limited partners' preferred capital, units outstanding	[2]	6,900,000	6,900,000

[1] Consists of general partnership interests held by OP Holdings.

[2] Consists of limited partnership interests held by the Corporation and Spirit Notes Partner, LLC.