Subsequent Events (Details)			12 Months Ended
	Feb. 29, 2024 USD ($) option	Jan. 23, 2024 $ / shares	Dec. 31, 2023 property	Dec. 31, 2022 property
Number of collateral real estate properties | property			13	12
Subsequent Event | Revolving Credit Agreement, 6 properties | Line of Credit | KeyBank National Association
Line of credit facility, maximum borrowing capacity | $	$ 9,500,000
Margin spread (as a percent)	2.75%
Extension, number of options | option	2
Extension term (in months)	3 months
Subsequent Event | Revolving Credit Agreement, 6 properties | Line of Credit | Secured Overnight Financing Rate (SOFR), Daily Simple | KeyBank National Association
Basis spread on borrowings variable rate (as a percent)	0.10%
Subsequent Event | 7-1/4% Series B Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value
Preferred stock dividends declared (in dollars per share)		$ 0.453125
Subsequent Event | 6-1/2% Series C Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value
Preferred stock dividends declared (in dollars per share)		$ 0.406250