Redeemable Preferred Stock (Details) $ / shares in Units, $ in Millions		6 Months Ended	12 Months Ended
	Jan. 23, 2024	Jun. 30, 2024 USD ($) $ / shares shares	Dec. 31, 2023 $ / shares shares
Class of Stock [Line Items]
Redeemable preferred stock dividend rate (percent)		6.00%	6.00%
Redeemable preferred stock and paid in capital, par value (in dollars per share)		$ 0.01	$ 0.01
Redeemable preferred stock and paid in capital, issued (in shares) | shares		6,900,000	0
Redeemable preferred stock and paid in capital, authorized (in shares) | shares		69,900,000	69,900,000
Redeemable preferred stock, liquidation preference (in dollars per share)		$ 25.00	$ 25.00
Series A Preferred Stock
Class of Stock [Line Items]
Redeemable preferred stock, liquidation preference (in dollars per share)		25.00
Liquidation preference per share annual basis (in dollars per share)		1.50
Redeemable preferred stock redemption price per share (in dollars per share)		25.00
Preferred stock dividends paid (in dollars per share)		$ 0.750
Preferred stock dividends paid | $		$ 5.2
Spirit Realty Capital, Inc.
Class of Stock [Line Items]
Redeemable preferred stock dividend rate (percent)	6.00%
Spirit Realty Capital, Inc. | Series A Preferred Stock
Class of Stock [Line Items]
Redeemable preferred stock and paid in capital, issued (in shares) | shares		6,900,000
Redeemable preferred stock and paid in capital, authorized (in shares) | shares		69,900,000
Spirit Realty Capital, Inc. | Spirit Realty Capital, Inc.
Class of Stock [Line Items]
Redeemable preferred stock dividend rate (percent)	6.00%	6.00%
Redeemable preferred stock and paid in capital, par value (in dollars per share)		$ 0.01
Redeemable preferred stock, conversion ratio		1