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Organization and Summary of Significant Accounting Policies (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) item segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Concentrations of Credit Risk |  |  |
Number of operating segments | segment | 1 |  |
Accounts Receivable |  |  |
Allowance for doubtful accounts | $ 0 | $ 0 |
Inventory |  |  |
Period of lower average per unit cost of materials | 36 months |  |
Shelf life for finished goods inventory, maximum | 36 months |  |
Variable Interest Entities |  |  |
Number of entities in which variable interest held | item | 0 |  |
Percentage of MediCare Part D Insurance Coverage Gap Required to be Funded by Manufacturers | 70.00% |  |
Medicare Part D Insurance Coverage Gap, Increase in Eligible Patient Spending, Percentage | 30.00% |  |
Advertising Expenses |  |  |
Advertising expenses | $ 66,000 | $ 28,900 | $ 15,300
MorphoSys AG |  |  |
Variable Interest Entities |  |  |
Collaboration Agreement Profit Loss Sharing Ratio | 50.00% | 50.00% |
ICLUSIG |  |  |
Variable Interest Entities |  |  |
Amortization period | 12 years 6 months |  |

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