Supplemental Financial Statement Information - Other And Intangible Assets (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Other Assets
Deposits on building and land acquisitions	$ 365	$ 9,800	$ 365
Deferred leasing costs, net	5,352	6,866	5,352
Straight- line rents	6,700	6,334	6,700
Prepaid expenses	2,618	3,412	2,618
Intangible assets, net	2,126	5,495	2,126
Account receivable (primary leases)	254	713	254
Deferred financing costs related to revolving lines of credit	162	917	162
Furniture, fixtures and equipment, net	181	369	181
Right-of-use assets	$ 707	$ 593	$ 707
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Total other assets	Total other assets	Total other assets
Registration statement costs		$ 341
Interest rate swap assets		188
Prepaid development costs	$ 798	143	$ 798
Other	323	402	323
Total other assets	19,586	35,573	19,586
Property and equipment
Deferred leasing costs accumulated amortization	7,439	6,673	7,439
Amortization of deferred lease costs	94	1,091	1,086
Property and equipment accumulated depreciation	1,072	1,051	1,072
Depreciation expense	$ 7	$ 88	$ 83