Quarterly report pursuant to Section 13 or 15(d)

Summary of Components of Marketable Securities (Details)

v3.21.2
Summary of Components of Marketable Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost $ 14,236 $ 1,650
Unrealized Losses (122) (11)
Fair Value 14,114 1,639
U.S. Government Obligations [Member]    
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 324 1,021
Unrealized Losses (1) (7)
Fair Value 323 1,014
Corporate Obligations [Member]    
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]    
Amortized Cost 13,912 629
Unrealized Losses (121) (4)
Fair Value $ 13,791 $ 625