Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Investments (Details)

v3.22.1

Investments (Details) - USD ($) $ in Thousands	3 Months Ended
Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Marketable Securities [Line Items]
Short-term investments	$ 286,210		$ 234,178
Held-to-maturity debt securities	8,800		19,200
Available-for-sale debt securities	277,400		215,000
Interest receivable	500		100
Unrealized gains on available-for-sale securities	766	$ 6
Cashable Guaranteed Investment Certificate
Marketable Securities [Line Items]
Short-term investments	3,128		3,140
Corporate Bond
Marketable Securities [Line Items]
Short-term investments	60,390		21,820
Commercial Paper
Marketable Securities [Line Items]
Short-term investments	152,295		206,724
Treasury Bill
Marketable Securities [Line Items]
Short-term investments	19,530		2,494
Treasury Bond
Marketable Securities [Line Items]
Short-term investments	$ 50,867		$ 0

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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