XML 59 R23.htm IDEA: XBRL DOCUMENT
v3.22.4

Long-Term Obligations and Commitments (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Long-Term Obligations and Commitments [Abstract] |
Long-Term Obligations | The carrying value of our long-term obligations was as follows (in thousands):
|  | December 31, |
|  | 2022 |  |  | 2021 |
0 percent convertible senior notes |  | $ | 622,242 |  |  | $ | 619,119 |
0.125 percent convertible senior notes |  |  | 544,504 |  |  |  | 542,314 |
Lease liabilities |  |  | 186,156 |  |  |  | 22,058 |
Mortgage debt |  |  | 8,998 |  |  |  | 60,054 |
Other obligations |  |  | 7,295 |  |  |  | 7,505 |
Total |  | $ | 1,369,195 |  |  | $ | 1,251,050 |
Less: current portion |  |  | (7,535 | ) |  |  | (3,526 | )
Total Long-Term Obligations |  | $ | 1,361,660 |  |  | $ | 1,247,524 |
Convertible Notes [Abstract] |
Debt Maturity Schedules | Annual convertible and mortgage debt maturities, including fixed and determinable interest, at December 31, 2022 are as follows (in thousands):
2023 |  | $ | 1,281 |
2024 |  |  | 550,107 |
2025 |  |  | 595 |
2026 |  |  | 633,095 |
2027 |  |  | 447 |
Thereafter |  |  | 8,708 |
Total debt and mortgage maturities |  | $ | 1,194,233 |
Less: Current portion included in other current liabilities |  |  | (151 | )
Less: Fixed and determinable interest |  |  | (3,526 | )
Less: Debt issuance costs |  |  | (14,831 | )
Total long-term debt |  | $ | 1,175,725 |
Amounts Related to Operating Leases | Amounts related to our operating leases were as follows (dollar amounts in millions):
|  | At December 31, 2022 |
Right-of-use operating lease assets |  | $ | 181.5 |
Operating lease liabilities |  | $ | 186.2 |
Weighted average remaining lease term |  | 13.8 years |
Weighted average discount rate |  |  | 6.9 | %
Future Payments for Operating Lease Liabilities | As of December 31, 2022, the future payments for our operating lease liabilities are as follows (in thousands):
|  | Operating Leases |
Year ending December 31, |  |  |
2023 |  | $ | 20,071 |
2024 |  |  | 20,391 |
2025 |  |  | 20,640 |
2026 |  |  | 20,781 |
2027 |  |  | 20,800 |
Thereafter |  |  | 196,911 |
Total minimum lease payments |  |  | 299,594 |
Less: Imputed interest |  |  | (113,438 | )
Less: Current portion (included in other current liabilities) |  |  | (7,215 | )
Total long-term lease liabilities |  | $ | 178,941 |
0% Notes [Member] |
Convertible Notes [Abstract] |
Convertible Senior Notes | At December 31, 2022, we had the following 0% Notes outstanding (in millions except interest rate and price per share data):
|  | 0% Notes |
Outstanding principal balance |  | $ | 632.5 |
Unamortized debt issuance costs |  | $ | 10.3 |
Maturity date |  | April 2026 |
Interest rate |  | 0 percent |
Effective interest rate |  | 0.5 percent |
Conversion price per share |  | $ | 57.84 |
Effective conversion price per share with call spread |  | $ | 76.39 |
Total shares of common stock subject to conversion |  |  | 10.9 |
0.125% Notes [Member] |
Convertible Notes [Abstract] |
Convertible Senior Notes | At December 31, 2022, we had the following 0.125% Notes outstanding with interest payable semi-annually (in millions except interest rate and price per share data):
|  | 0.125% Notes |
Outstanding principal balance |  | $ | 548.8 |
Unamortized debt issuance costs |  | $ | 4.3 |
Maturity date |  | December 2024 |
Interest rate |  | 0.125 percent |
Effective interest rate |  | 0.5 percent |
Conversion price per share |  | $ | 83.28 |
Effective conversion price per share with call spread |  | $ | 123.38 |
Total shares of common stock subject to conversion |  |  | 6.6 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | ions_ConvertibleNotesDisclosureLineItems
Namespace Prefix: | ions_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information on lessee's operating leases, including carrying value of right-of-use assets and lease liabilities, weighted-average remaining term and weighted-average discount rate. + References No definition available. + Details
Name: | ions_LesseeOperatingLeaseInformationTableTextBlock
Namespace Prefix: | ions_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
Name: | srt_ContractualObligationFiscalYearMaturityScheduleTableTextBlock
Namespace Prefix: | srt_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount. + References No definition available. + Details
Name: | us-gaap_ConvertibleDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21506-112644 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69B -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69E -URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21521-112644 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21538-112644 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823 Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ScheduleOfDebtInstrumentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ions_ConvertibleSeniorNotes0PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ions_ConvertibleSeniorNotes0125PercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |