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Business Combination - Narrative (Details) - Antares Pharma, Inc - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 24, 2022 | Dec. 31, 2022 | Dec. 31, 2022
Business Acquisition [Line Items] |  |  |
Purchase consideration | $ 1,045,668 |  |
Consideration transferred, cash paid per acquiree share (in usd per share) | $ 5.60 |  |
Consideration related toacquiree closing indebtedness settled | $ 19,683 |  |
Consideration for seller transaction costs paid by Halozyme | 22,906 |  |
Transaction costs |  |  | $ 21,900
Contingent consideration, liability | 130,000 | $ 15,700 | 15,700
Change in contingent liability |  | $ 114,300 |
Pro forma revenue of acquiree since acquisition date |  |  | 112,700
Proforma earnings loss of acquiree since acquisition date |  |  | $ 67,600
Revolving Credit Facility |  |  |
Business Acquisition [Line Items] |  |  |
Credit facility, maximum borrowing capacity | 350,000 |  |
Term Loan Facility |  |  |
Business Acquisition [Line Items] |  |  |
Credit facility, maximum borrowing capacity | $ 250,000 |  |

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- Definition Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Cash Paid Per Acquiree Share + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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