Intangible Assets, Net - Details of Intangible Assets, Net (Detail) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Total, at cost		$ 18,674	$ 13,805
Less: accumulated amortization		(4,316)	(3,169)
Intangible assets, net		14,358	10,636
Anchor Tenant Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Total, at cost	[1]	1,761	1,761
In-Place Leases [Member]
Finite Lived Intangible Assets [Line Items]
Total, at cost		4,215	4,215
Policy Renewal Rights [Member] | United [Member]
Finite Lived Intangible Assets [Line Items]
Total, at cost		12,384	7,634
Non Compete Agreement [Member] | United [Member]
Finite Lived Intangible Assets [Line Items]
Total, at cost	[2]	$ 314	$ 195

[1] An anchor tenant is a tenant that attracted more customers than other tenants.

[2] $119 was fully amortized in June 2022 and $195 was fully amortized in June 2021.