XML 36 R23.htm IDEA: XBRL DOCUMENT
v3.22.2

FAIR VALUE MEASUREMENTS (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022
Fair Value Disclosures Abstract |
Fair value of marketable securities and investments | The fair-value hierarchy of the Company’s cash equivalents and marketable securities at June 30, 2022 and December 31, 2021, was as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurement at
​ | ​ | June 30, 2022
​ |  | ​ | ​ |  | Quoted Prices in |  | ​ | ​
​ | ​ | ​ | ​ | ​ | Active Markets for | ​ | Significant Other
​ | ​ | ​ | ​ | ​ | Identical Assets | ​ | Observable Inputs
(In thousands) | ​ | Total Fair Value | ​ | (Level 1) | ​ | (Level 2)
Commercial paper | ​ | $ | 8,795 | ​ | $ | — | ​ | $ | 8,795
Corporate securities | ​ | ​ | 260,209 | ​ | ​ | — | ​ | ​ | 260,209
Money market funds | ​ |  | 4,040 | ​ |  | 4,040 | ​ |  | —
Total | ​ | $ | 273,044 | ​ | $ | 4,040 | ​ | $ | 269,004
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurement at
​ | ​ | December 31, 2021
​ |  | ​ | ​ |  | Quoted Prices in |  | ​ | ​
​ | ​ | ​ | ​ | ​ | Active Markets for | ​ | Significant Other
​ | ​ | ​ | ​ | ​ | Identical Assets | ​ | Observable Inputs
(In thousands) | ​ | Total Fair Value | ​ | (Level 1) | ​ | (Level 2)
Commercial paper | ​ | $ | 172,237 | ​ | $ | — | ​ | $ | 172,237
Corporate securities | ​ | ​ | 282,540 | ​ | ​ | — | ​ | ​ | 282,540
Money market funds | ​ |  | 29,793 | ​ |  | 29,793 | ​ |  | —
Total | ​ | $ | 484,570 | ​ | $ | 29,793 | ​ | $ | 454,777

X
- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19279-110258 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=123874694&loc=SL7498348-110258 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bb) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration