Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Amortized Cost and Fair Value of Available-for-Sale Securities by Contractual Maturity (Detail)

v3.22.1
Financial Instruments - Amortized Cost and Fair Value of Available-for-Sale Securities by Contractual Maturity (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Amortized cost    
Maturing within one year, Amortized cost $ 243,102 $ 278,457
Maturing in one to five years, Amortized cost 58,746 91,383
Total available-for-sale securities, Amortized cost 301,848 369,840
Estimated Fair value    
Maturing within one year, Estimated fair value 242,264 278,354
Maturing in one to five years, Estimated fair value 57,692 91,118
Total available-for-sale securities, Estimated fair value $ 299,956 $ 369,472