Debt - Schedule of principal balances of mortgage loans payable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Outstanding balance	$ 298,277	$ 241,988
Unamortized deferred financing costs	(1,360)	(1,364)
Unamortized debt discount	(209)	0
Total Debt	$ 296,708	240,624
Loan
Debt Instrument [Line Items]
Interest rate	2.80%
Revolving Credit Facility | Revolving credit facility | Line of credit
Debt Instrument [Line Items]
Outstanding balance	$ 14,000	9,000
Basis spread on variable rate (as a percent)	1.48%
2021 Term Loan | Unsecured debt | Line of credit
Debt Instrument [Line Items]
Outstanding balance	$ 75,000	75,000
Basis spread on variable rate (as a percent)	1.43%
2022 Term Loan | Unsecured debt | Line of credit
Debt Instrument [Line Items]
Outstanding balance	$ 175,000	125,000
Basis spread on variable rate (as a percent)	1.43%
Vision Bank | Loan
Debt Instrument [Line Items]
Outstanding balance	$ 1,409	1,409
Interest rate	3.69%
First Oklahoma Bank
Debt Instrument [Line Items]
Interest rate	3.625%
First Oklahoma Bank | Loan
Debt Instrument [Line Items]
Outstanding balance	$ 299	316
Interest rate	3.63%
Vision Bank – 2018
Debt Instrument [Line Items]
Interest rate	3.69%
Vision Bank – 2018 | Loan
Debt Instrument [Line Items]
Outstanding balance	$ 844	844
Interest rate	3.69%
Seller Financing | Loan
Debt Instrument [Line Items]
Outstanding balance	$ 100	194
Interest rate	6.00%
AIG – December 2020 | Loan
Debt Instrument [Line Items]
Outstanding balance	$ 30,225	30,225
Interest rate	2.80%
Seller Financing - 2024 | Loan
Debt Instrument [Line Items]
Outstanding balance	$ 1,400	$ 0
Interest rate	5.00%