Annual report pursuant to Section 13 and 15(d)

Available-for-Sale Securities - Summary of Amortized Cost and Estimated Fair Value of Available-for-sale Securities by Contractual Maturity (Details)

v3.20.4
Available-for-Sale Securities - Summary of Amortized Cost and Estimated Fair Value of Available-for-sale Securities by Contractual Maturity (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Available-for-sale securities maturing, Amortized Cost:  
In one year or less, Amortized Cost $ 138,557
Amortized Cost 138,557
Available-for-sale securities maturing, Estimated Fair Value:  
In one year or less, Estimated Fair Value 138,566
Total available-for-sale securities, Estimated Fair Value $ 138,566