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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Provision for income tax $ 242,000 $ 187,000 $ 395,000 $ 240,000
Federal [Member]        
Provision for income tax     $ 0