| Summary of Cash, Cash Equivalents, Short-Term and Long-Term Investments by Significant Investment Category |
The following tables show the Company’s cash, cash equivalents, short-term and long-term investments by significant investment category:
|
|
|
As of March 31, 2022
|
|
|
(in thousands)
|
|
Adjusted Cost
|
|
|
Fair Value
|
|
|
Cash and Cash Equivalents
|
|
|
Short-Term Investments
|
|
|
Long-Term Investments
|
|
|
Cash
|
|
$
|
570,833
|
|
|
$
|
570,833
|
|
|
$
|
570,833
|
|
|
$
|
—
|
|
|
$
|
—
|
|
|
Level 1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds
|
|
|
19,075
|
|
|
|
19,075
|
|
|
|
19,075
|
|
|
|
—
|
|
|
|
—
|
|
|
U.S. Treasury securities
|
|
|
22,983
|
|
|
|
22,983
|
|
|
|
—
|
|
|
|
11,775
|
|
|
|
11,208
|
|
|
Total level 1
|
|
|
42,058
|
|
|
|
42,058
|
|
|
|
19,075
|
|
|
|
11,775
|
|
|
|
11,208
|
|
|
Level 2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate notes and bonds
|
|
|
133,565
|
|
|
|
133,565
|
|
|
|
—
|
|
|
|
86,388
|
|
|
|
47,177
|
|
|
Asset-backed securities
|
|
|
21,312
|
|
|
|
21,312
|
|
|
|
—
|
|
|
|
6,770
|
|
|
|
14,542
|
|
|
Mutual funds
|
|
|
52,124
|
|
|
|
52,124
|
|
|
|
—
|
|
|
|
—
|
|
|
|
52,124
|
|
|
Total level 2
|
|
|
207,001
|
|
|
|
207,001
|
|
|
|
—
|
|
|
|
93,158
|
|
|
|
113,843
|
|
|
Total
|
|
$
|
819,892
|
|
|
$
|
819,892
|
|
|
$
|
589,908
|
|
|
$
|
104,933
|
|
|
$
|
125,051
|
|
|
|
|
As of December 31, 2021
|
|
|
(in thousands)
|
|
Adjusted Cost
|
|
|
Fair Value
|
|
|
Cash and Cash Equivalents
|
|
|
Short-Term Investments
|
|
|
Long-Term Investments
|
|
|
Cash
|
|
$
|
664,220
|
|
|
$
|
664,220
|
|
|
$
|
664,220
|
|
|
$
|
—
|
|
|
$
|
—
|
|
|
Level 1
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Money market funds
|
|
|
132,063
|
|
|
|
132,063
|
|
|
|
132,063
|
|
|
|
—
|
|
|
|
—
|
|
|
U.S. Treasury securities
|
|
|
25,437
|
|
|
|
25,437
|
|
|
|
—
|
|
|
|
8,896
|
|
|
|
16,541
|
|
|
Total level 1
|
|
|
157,500
|
|
|
|
157,500
|
|
|
|
132,063
|
|
|
|
8,896
|
|
|
|
16,541
|
|
|
Level 2
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Corporate notes and bonds
|
|
|
148,373
|
|
|
|
148,373
|
|
|
|
—
|
|
|
|
84,783
|
|
|
|
63,590
|
|
|
Asset-backed securities
|
|
|
17,180
|
|
|
|
17,180
|
|
|
|
—
|
|
|
|
4,901
|
|
|
|
12,279
|
|
|
Mutual funds
|
|
|
53,180
|
|
|
|
53,180
|
|
|
|
—
|
|
|
|
—
|
|
|
|
53,180
|
|
|
Total level 2
|
|
|
218,733
|
|
|
|
218,733
|
|
|
|
—
|
|
|
|
89,684
|
|
|
|
129,049
|
|
|
Total
|
|
$
|
1,040,453
|
|
|
$
|
1,040,453
|
|
|
$
|
796,283
|
|
|
$
|
98,580
|
|
|
$
|
145,590
|
|
|