Quarterly report pursuant to Section 13 or 15(d)

Cash Equivalents - Summary of Cash Equivalents (Details)

v3.20.2
Cash Equivalents - Summary of Cash Equivalents (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Cash And Cash Equivalents [Line Items]    
Amortized Cost $ 22,910 $ 16,514
Estimated Fair Value 22,910 16,514
Money Market Mutual Funds    
Cash And Cash Equivalents [Line Items]    
Amortized Cost 22,910 16,514
Estimated Fair Value $ 22,910 $ 16,514