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Consolidated Entities and Acquisitions - Theravance Respiratory Company, LLC (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 20, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Income statements |  |  |  |
Total revenue |  | $ 76,372 | $ 90,059 |
Income tax expense, net |  | 6,275 | 6,860 |
Net income |  | 34,865 | 37,858 |
Royalty revenue |  |  |  |
Income statements |  |  |  |
Total revenue |  | $ 56,858 | 90,059 |
Theravance Respiratory Company, LLC |  |  |  |
CONSOLIDATED ENTITIES |  |  |  |
Ownership interest in LLC |  |  |  | 15.00%
Proceeds from sale of economic interest under Equity Purchase Agreement | $ 277,500 |  |  |
Contingent sales based milestone payment | 50,000 |  |  |
Cash distribution | 4,400 |  |  |
Equity method investments | $ 39,400 |  |  |
Income statements |  |  |  |
Operating expenses |  |  | 198 |
Income from operations |  |  | 29,111 |
Income tax expense, net |  |  | 1 |
Changes in fair values of equity and long-term investments |  |  | 429 |
Net income |  |  | 29,541 |
Theravance Respiratory Company, LLC | Royalty revenue |  |  |  |
Income statements |  |  |  |
Total revenue |  |  | $ 29,309 |

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