Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Fair Value of Assets (Details)

v3.22.2.2
Fair Value of Financial Instruments - Fair Value of Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Assets:    
Short-term investments $ 0 $ 43,125
Investments in debt securities 582 1,838
Investments in debt securities 5,967  
Total assets 6,549 44,963
Level 1    
Assets:    
Short-term investments 0 43,125
Investments in debt securities 0 0
Investments in debt securities 0  
Total assets 0 43,125
Level 2    
Assets:    
Short-term investments 0 0
Investments in debt securities 0 0
Investments in debt securities 0  
Total assets 0 0
Level 3    
Assets:    
Short-term investments 0 0
Investments in debt securities 582 1,838
Investments in debt securities 5,967  
Total assets $ 6,549 $ 1,838