Condensed Consolidated Statements of Income - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues:
Rental (including tenant reimbursements)	$ 70,345,000	$ 53,856,000	$ 204,454,000	$ 145,608,000
Other	538,000		1,444,000
Total revenues	70,883,000	53,856,000	205,898,000	145,608,000
Expenses:
Property expenses	2,823,000	1,365,000	7,232,000	2,617,000
General and administrative expense	10,804,000	5,307,000	28,288,000	16,511,000
Depreciation and amortization expense	15,900,000	10,891,000	45,001,000	29,571,000
Total expenses	29,527,000	17,563,000	80,521,000	48,699,000
Income from operations	41,356,000	36,293,000	125,377,000	96,909,000
Interest and other income	773,000	110,000	1,411,000	325,000
Interest expense	(4,513,000)	(6,309,000)	(13,783,000)	(11,874,000)
Loss on exchange of Exchangeable Senior Notes			(125,000)
Net income	37,616,000	30,094,000	112,880,000	85,360,000
Preferred stock dividends	(338,000)	(338,000)	(1,014,000)	(1,014,000)
Net income attributable to common stockholders	$ 37,278,000	$ 29,756,000	$ 111,866,000	$ 84,346,000
Net income attributable to common stockholders per share (Note 8):
Basic	$ 1.33	$ 1.24	$ 4.10	$ 3.51
Diluted	$ 1.32	$ 1.20	$ 4.06	$ 3.41
Weighted-average shares outstanding:
Basic	27,938,568	23,890,537	27,144,953	23,889,903
Diluted	28,157,934	26,260,704	27,496,151	26,257,504