REAL ESTATE HELD FOR INVESTMENT - Schedule of Tenant Origination and Absorption Costs (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Real Estate [Abstract]
Cost	$ 11,394	$ 15,423
Accumulated Amortization	(7,587)	(8,392)
Net Amount	$ 3,807	$ 7,031

Represents the net amount of tenant origination and absorption costs. Origination costs include estimates of costs avoided associated with leasing the property, including tenant allowance and improvements and leasing commissions. Absorption costs relate to the value of opportunity costs calculated using the contractual amounts paid pursuant to in-place leases over market absorption period for a similar lease.

No definition available.

Name:	sor_TenantOriginationAndAbsorptionCostsGross
Namespace Prefix:	sor_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant