Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Revenues from rental properties	$ 180,488	$ 163,889	$ 153,886
Interest on notes and mortgages receivable	5,358	1,699	1,522
Total revenues	185,846	165,588	155,408
Operating expenses:
Property costs	23,789	21,553	22,048
Impairments	5,243	3,545	4,404
Environmental	1,261	(20,902)	3,548
General and administrative	23,735	20,621	20,151
Depreciation and amortization	45,296	39,902	35,518
Total operating expenses	99,324	64,719	85,669
Gains on dispositions of real estate	4,625	16,423	16,718
Operating income	91,147	117,292	86,457
Other income, net	574	413	1,075
Interest expense	(31,527)	(27,662)	(24,672)
Loss on extinguishment of debt	(43)
Net earnings	$ 60,151	$ 90,043	$ 62,860
Basic earnings per common share:
Net Earnings	$ 1.16	$ 1.88	$ 1.37
Diluted earnings per common share:
Net Earnings	$ 1.15	$ 1.88	$ 1.37
Weighted average common shares outstanding:
Basic	50,020	46,730	44,782
Diluted	50,216	46,838	44,819
Net earnings	$ 60,151	$ 90,043	$ 62,860
Other comprehensive loss:
Unrealized loss on cash flow hedges	(3,938)
Cash flow hedge income reclassified to interest expense	(83)
Total other comprehensive loss	(4,021)
Comprehensive income	$ 56,130	$ 90,043	$ 62,860