Annual report pursuant to Section 13 and 15(d)

Fair Value Measurement - Summary of Fair Value Assets and Liabilities (Details)

v3.20.4
Fair Value Measurement - Summary of Fair Value Assets and Liabilities (Details) - Money Market Funds - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Assets:    
Assets $ 17,905 $ 9,250
Level 1    
Assets:    
Assets $ 17,905 $ 9,250