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Earnings Per Share - Additional Information (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Options [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Securities excluded from the diluted earnings per share computation (in shares) 25,000 25,000 25,000 25,000
Warrant [Member]        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Securities excluded from the diluted earnings per share computation (in shares) 1,051,664   1,051,664