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DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Description of Operations (Details) $ in Millions | 12 Months Ended |
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Dec. 31, 2022 USD ($) Customer | Jul. 20, 2022
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Number of customers | Customer | 3 |
Capitalized fees paid, estimated useful life | 15 years |
ASU 2020-06 |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Decrease to accumulated deficit | $ 37.2 |
Reduction to Additional Paid in Capital | 65.4 |
Increase in Deferred Tax Assets | $ 7.4 |
Theravance Respiratory Company, LLC |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Equity method investment ownership percentage |  | 15.00%
Customer Concentration Risk | Net Product Sales | La Jolla [Member] | Customer One |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration Risk, Percentage | 33.00% |
Customer Concentration Risk | Net Product Sales | La Jolla [Member] | Customer Two |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration Risk, Percentage | 29.00% |
Customer Concentration Risk | Net Product Sales | La Jolla [Member] | Customer Three |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration Risk, Percentage | 28.00% |
Customer Concentration Risk | Receivables from Net Product Sales | La Jolla [Member] | Customer One |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration Risk, Percentage | 23.00% |
Customer Concentration Risk | Receivables from Net Product Sales | La Jolla [Member] | Customer Two |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration Risk, Percentage | 37.00% |
Customer Concentration Risk | Receivables from Net Product Sales | La Jolla [Member] | Customer Three |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Concentration Risk, Percentage | 37.00% |
Two Thousand Twenty Five Notes [Member] | ASU 2020-06 |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Increase in convertible notes | $ 35.6 |
Long-Acting Beta2 Agonist (LABA) Collaboration | GSK | RELVAR/BREO |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Royalty rate for first level of annual global net sales (as a percent) | 15.00% |
Annual global sales level used to determine royalty rate | $ 3,000.0 |
Royalty rate for sales above first level of annual global net sales (as a percent) | 5.00% |
Long-Acting Beta2 Agonist (LABA) Collaboration | GSK | ANORO | Minimum |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Royalty rate for combination products (as a percent) | 6.50% |
Long-Acting Beta2 Agonist (LABA) Collaboration | GSK | ANORO | Maximum |  |
DESCRIPTION OF OPERATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Royalty rate for combination products (as a percent) | 10.00% |

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