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Schedule IV - Mortgage Loans on Real Estate (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Face Amount of Mortgages $ 3,000    
Carrying amount of mortgages 1,521 $ 2,011 $ 2,468
Principal Amount of Loans Subject to Delinquent Principal or Interest 0    
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]      
Balance at beginning of year 2,011 2,468 0
New mortgage loans 0 0 3,000
Deductions during the year:      
Collections of principal (521) (486) (374)
Other: (Credit losses) recoveries (31) 29 (158)
Foreclosures 0 0 0
Balance at the close of year 1,521 2,011 2,468
Mortgages held, federal income tax basis 1,530 2,011 2,468
Mortgages accepted in connection with real estate transactions $ 0 $ 0 $ 3,000
2 properties in VA      
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]      
Interest Rate 7.00%    
Face Amount of Mortgages $ 3,000    
Carrying amount of mortgages 1,521    
Principal Amount of Loans Subject to Delinquent Principal or Interest 0    
Deductions during the year:      
Balance at the close of year $ 1,521