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Related Party Transactions (Details)
 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Related Party Transactions [Abstract]      
Company contribution to a multi employer 401K plan at discretionary amount of employee's cash compensation, maximum percentage (as a percent) 6.00%    
Company contribution to a multi employer 401K plan at discretionary amount of employee's cash compensation, amount $ 227,800 $ 239,300  
Deferred compensation, employee contribution (as a percent) 2.00%    
Deferred compensation, company contribution $ 111,600 $ 64,700  
Deferred compensation, company contribution percentage 3 3  
Deferred compensation, cumulative unfunded liability $ 2,700,000   $ 3,200,000
Ancillary costs and expenses 4,600,000 $ 3,900,000  
Liability due to The Saul Organization for the Company's share of these ancillary costs and expenses $ 900,000   $ 1,100,000
Percentage of annual increase in base rent (as a percent) 3.00%    
Rent expense $ 394,000 409,000  
Insurance commissions and fees expense $ 137,500 $ 148,700