Fair Value Disclosures (Re-measured to Fair Value Impairment) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)
Seacoast Shopping Center, Seabrook, NH
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate investment, fair value	$ 5,700
Real estate, fair value, capitalization rate	8.00%
Smith Rd Residential Redev - Southland Shopping Center
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Real estate investment, fair value	$ 800
Real estate, net | Fair Value, Measurements, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	6,548
Impairment of real estate assets	10,673
Real estate, net | Fair Value, Measurements, Nonrecurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0
Real estate, net | Fair Value, Measurements, Nonrecurring | Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	0
Real estate, net | Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 6,548