Quarterly report pursuant to Section 13 or 15(d)

Mortgages Receivable - CECL Allowance by Geographical Location (Details)

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Mortgages Receivable - CECL Allowance by Geographical Location (Details) - USD ($)
9 Months Ended
Sep. 30, 2023
Jan. 01, 2023
Mortgages Receivable    
CECL Allowance beginning balance $ 105,000  
CECL Allowance ending balance 2,113,178  
Provision for CECL allowance 87,000  
CECL allowance for unfunded commitments 498,600 $ 522,000
ASU 2016-13    
Mortgages Receivable    
CECL allowance for unfunded commitments 498,600  
Adjustment | ASU 2016-13    
Mortgages Receivable    
CECL Allowance ending balance 1,921,000  
New England    
Mortgages Receivable    
CECL Allowance beginning balance 105,000  
CECL Allowance ending balance 1,560,000  
Provision for CECL allowance 153,000  
New England | Adjustment | ASU 2016-13    
Mortgages Receivable    
CECL Allowance ending balance 1,302,000  
West    
Mortgages Receivable    
Provision for CECL allowance (7,000)  
West | Adjustment | ASU 2016-13    
Mortgages Receivable    
CECL Allowance ending balance 7,000  
South    
Mortgages Receivable    
CECL Allowance ending balance 338,000  
Provision for CECL allowance (64,000)  
South | Adjustment | ASU 2016-13    
Mortgages Receivable    
CECL Allowance ending balance 402,000  
Mid-East    
Mortgages Receivable    
CECL Allowance ending balance 215,000  
Provision for CECL allowance 5,000  
Mid-East | Adjustment | ASU 2016-13    
Mortgages Receivable    
CECL Allowance ending balance $ 210,000