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Line of Credit (Details) - USD ($)
Oct. 06, 2021
Jul. 09, 2020
Dec. 31, 2021
Dec. 31, 2020
Feb. 23, 2018
Line of Credit Facility [Line Items]          
Line of credit     $ 0 $ 33,169,000  
Line of credit          
Line of Credit Facility [Line Items]          
Maximum borrowing     40,000,000   $ 40,000,000
Floor rate 3.25% 3.75%      
Line of credit     0 33,169,000  
Standby letter of credit          
Line of Credit Facility [Line Items]          
Line of credit     $ 0 $ 900,000  
Prime Rate | Line of credit          
Line of Credit Facility [Line Items]          
Spread on variable rate 0.25% 0.25%