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Fair Value of Financial Instruments - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Fair value assets and liabilities transfers amount $ 0 $ 0 $ 0 $ 0  
Fair value assets transferred into level 3     0    
Fair value assets transferred out of level 3     0    
Fair value liabilities transferred into level 3     0    
Fair value liabilities transferred out of level 3     0    
Bank account cash 11,200,000   11,200,000   $ 6,500,000
Allowance for credit losses 0   0    
Impairment losses related to investments 0   0    
Prepaid Expenses and Other Current Assets          
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Accrued interest receivable, investment $ 900,000   $ 900,000