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Significant Accounting Policies, Restricted Stock (Details)
12 Months Ended
Dec. 31, 2021
Employees [Member]  
Restricted Stock [Abstract]  
Period in which restrictions lapse on stock granted 4 years
Directors [Member]  
Restricted Stock [Abstract]  
Period in which restrictions lapse on stock granted 1 year
Officers [Member]  
Restricted Stock [Abstract]  
Period in which restrictions lapse on stock granted 4 years