Supplemental Financial Statement Information - Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Accounts Payable and Accrued Liabilities
Accrued construction costs and retainage	$ 7,004	$ 94
Accrued lease commissions	1,040	233
Trade payables	873	1,093
Accrued salaries, wages and other compensation	746	1,027
Accrued interest payable	619	580
Other	773	642
Total accounts payable and accrued liabilities	11,055	3,669
Other Liabilities
Interest rate swap liabilities	5,335	8,766
Deferred compensation plan	4,741	4,335
Intangible liability, net	3,102	695
Prepaid rent from tenants	1,392	1,345
Security deposits of tenants	893	710
Lease liabilities	$ 656	$ 739
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Lease liabilities	Lease liabilities
Other	$ 321	$ 321
Total other liabilities	$ 16,440	17,567
Contingent Value Rights Liability
Other Liabilities
Contingent value rights liability		$ 656