Annual report pursuant to Section 13 and 15(d)

Investments in Marketable Debt Securities, Available-for-Sale - Schedule of Amortized Cost and Fair Value of Marketable Securities, Available-for-Sale, by Contractual Maturity (Detail)

v3.22.0.1
Investments in Marketable Debt Securities, Available-for-Sale - Schedule of Amortized Cost and Fair Value of Marketable Securities, Available-for-Sale, by Contractual Maturity (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]    
Due in one year or less, Amortized Cost $ 183,915 $ 158,148
Due after one year through five years, Amortized Cost 96,035 30,604
Due after five years through ten years, Amortized Cost 11,129 10,022
Due after ten years, Amortized Cost 4,694 4,555
Amortized Cost 295,773 203,329
Due in one year or less, Fair Value 183,868 158,258
Due after one year through five years, Fair Value 96,257 32,041
Due after five years through ten years, Fair Value 11,601 11,044
Due after ten years, Fair Value 4,752 4,688
Total Fair Value $ 296,478 $ 206,031
Weighted average contractual maturity 1 year 6 months 1 year 7 months 6 days