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v3.22.2.2

Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2022
Fair Value Measurements |
Schedule of fair value hierarchy | The carrying values of our assets and liabilities that are required to be measured at fair value on a recurring basis as of September 30, 2022 and December 31, 2021 are classified in the table below in one of the three categories of the fair value hierarchy described above (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Fair Value Measurements
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
September 30, 2022 |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market mutual fund | ​ | $ | 1,856 | ​ | $ | — | ​ | $ | — | ​ | $ | 1,856
Mutual funds | ​ |  | 98,747 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 98,747
U.S. Treasury notes | ​ |  | 201,390 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 201,390
Corporate debt securities | ​ | ​ | 198,664 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 198,664
​ | ​ | $ | 500,657 | ​ | $ | — | ​ | $ | — | ​ | $ | 500,657
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurements
​ |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
December 31, 2021 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Money market mutual fund | ​ | $ | 111,313 | ​ | $ | — | ​ | $ | — | ​ | $ | 111,313
Mutual funds | ​ |  | 110,006 | ​ |  | — | ​ |  | — | ​ |  | 110,006
U.S. Treasury notes | ​ | ​ | 223,896 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 223,896
Corporate debt securities | ​ |  | 155,796 | ​ |  | — | ​ |  | — | ​ |  | 155,796
​ | ​ | $ | 601,011 | ​ | $ | — | ​ | $ | — | ​ | $ | 601,011
​
Schedule of estimated fair values and the carrying values | The following table presents the estimated fair values and the carrying values (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | September 30, 2022 | ​ | December 31, 2021
​ |  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
2026 Senior Notes | ​ | $ | 392,009 | ​ | $ | 278,266 | ​ | $ | 390,523 | ​ | $ | 331,783
2025 Senior Notes | ​ | $ | 14,062 | ​ | $ | 12,131 | ​ | $ | 13,648 | ​ | $ | 13,628

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + 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 https://asc.fasb.org/extlink&oid=126976982&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 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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