Debt instrument, covenant compliance, minimum percentage of revolving credit commitments.

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- Definition

Debt instrument LIBOR floor rate.

+ References

No definition available.

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- Definition

Debt instrument leverage ratio.

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Decrease in percentage on excess cash flow for mandatory prepayments of debt.

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No definition available.

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- Definition

First lien leverage ratio.

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- Definition

Line of credit facility additional borrowing capacity.

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No definition available.

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Line of credit facility, expiration month and year.

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- Definition

Percentage of premium on repayment of debt.

+ References

No definition available.

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Percentage on excess cash flow for mandatory prepayments of debt.

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No definition available.

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- Definition

Percentage on first lien leverage ratio for mandatory prepayments of debt.

+ References

No definition available.

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- Definition

Reduced margin based on leverage ratio.

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No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- 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

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

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Debt Agreements - Term Loan Facility and Revolving Credit Facility - Additional Information (Detail) - USD ($)				1 Months Ended			3 Months Ended
	Dec. 18, 2019	Mar. 18, 2019	Mar. 11, 2019	Jul. 31, 2019	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2020	Dec. 31, 2019	Jul. 16, 2019
Debt Instrument [Line Items]
Outstanding principal amount							$ 1,418,026,000	$ 1,418,026,000	$ 625,000,000.0
2019 Term Loan Facility [Member]
Debt Instrument [Line Items]
LIBOR floor rate	0.00%
Interest rate description							The December 2019 Refinancing Loans were incurred as a separate new class of term loans under the Credit Agreement with substantially the same terms as the previously outstanding senior secured term loans incurred on May 22, 2019 (the “Refinanced Loans”) to effectuate a repricing of the Refinanced Loans. The Borrower used the proceeds of the December 2019 Refinancing Loans to repay the Refinanced Loans, which totaled approximately $418.0 million. The December 2019 Refinancing Loans bear interest at a rate, at the Borrower’s option, equal to the London Inter-Bank Offered Rate (“LIBOR”), plus 2.25% per annum (subject to a 0.00% LIBOR floor) or the adjusted base rate plus 1.25% per annum, with a step-down to LIBOR plus 2.00% per annum or the adjusted base rate plus 1.00% per annum at the time the Company’s leverage ratio is less than or equal to 2.00 to 1.00. The adjusted base rate is defined as the greatest of (a) LIBOR (using one-month interest period) plus 1.00%, (b) the prime rate, (c) the federal funds rate plus 0.50%, and (d) 1.00%.
Proceeds from debt issuances, percentage on excess cash flow	50.00%
Premium on repayment of debt	1.00%
Proceeds from debt issuances, reduction percentage on excess cash flow	25.00%
Proceeds from debt issuances, percentage on first lien leverage ratio	0.00%
Credit agreement, description							The Borrower is permitted to make voluntary prepayments of the loans under the Credit Agreement at any time without payment of a premium, except that with respect to the December 2019 Refinancing Loans, a 1% premium will apply to a repayment of the December 2019 Refinancing Loans in connection with a repricing of, or any amendment to the Credit Agreement in a repricing of, such loans effected on or prior to the date that is six months following December 18, 2019. The Borrower is required to make mandatory prepayments of loans under the Credit Agreement (without payment of a premium) with (a) net cash proceeds from certain non-ordinary course asset sales (subject to reinvestment rights and other exceptions), (b) casualty proceeds and condemnation awards (subject to reinvestment rights and other exceptions), (c) net cash proceeds from issuances of debt (other than certain permitted debt), and (d) 50% of the Company’s excess cash flow (subject to decrease to 25% or 0% if the Company’s first lien leverage ratio is less than 2.25:1 or 1.75:1, respectively). The principal amount of the December 2019 Refinancing Loans are due and payable on May 22, 2026, the final maturity date of the December 2019 Refinancing Loans.
Maturity date of debt instrument	May 22, 2026
2019 Term Loan Facility [Member] \| Horizon Pharma Subsidiaries [Member]
Debt Instrument [Line Items]
Cut off percentage for defining limited liability subsidiaries, portion of capital stock held maximum	65.00%
2019 Term Loan Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument leverage ratio	2.00%
Leverage ratio less than applicable margin	1.00%
First lien leverage ratio	175.00%
2019 Term Loan Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument leverage ratio	1.00%
Leverage ratio less than applicable margin	2.00%
First lien leverage ratio	225.00%
2019 Term Loan Facility [Member] \| Adjusted Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	1.25%
2019 Term Loan Facility [Member] \| Adjusted Base Rate [Member] \| Step-down due to Leverage Ratio [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	1.00%
2019 Term Loan Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	2.25%
2019 Term Loan Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Step-down due to Leverage Ratio [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	2.00%
Refinancing Loans [Member]
Debt Instrument [Line Items]
Repayment of refinanced loans, amount	$ 418,000,000.0
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
LIBOR floor rate	0.00%
Interest rate description							The loans under the Revolving Credit Facility bear interest, at the Borrower’s option, at a rate equal to either LIBOR plus an applicable margin of 2.25% per annum (subject to a LIBOR floor of 0.00%), or the adjusted base rate plus 1.25% per annum, with a step-down to LIBOR plus 2.00% per annum or the adjusted base rate plus 1.00% per annum at the time the Company’s leverage ratio is less than or equal to 2.00 to 1.00.
Minimum percentage of total commitments							25.00%
Revolving Credit Facility [Member] \| Adjusted Base Rate [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	1.25%
Revolving Credit Facility [Member] \| Adjusted Base Rate [Member] \| Step-down due to Leverage Ratio [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	1.00%
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	2.25%
Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Step-down due to Leverage Ratio [Member]
Debt Instrument [Line Items]
Debt instrument variable rate	2.00%
Credit Agreement [Member]
Debt Instrument [Line Items]
Repaid under credit agreement						$ 23,500,000
Credit Agreement [Member] \| Mandatory Prepayment Provisions [Member]
Debt Instrument [Line Items]
Repaid under credit agreement					$ 35,000,000.0
Credit Agreement [Member] \| Term Loan Facility [Member]
Debt Instrument [Line Items]
Repaid under credit agreement		$ 300,000,000.0		$ 100,000,000.0
Outstanding principal amount							$ 418,000,000.0
Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt instrument, variable interest rate							3.94%
Debt instrument, effective interest rate							4.25%
Horizon Pharma USA Inc [Member] \| May 2019 Refinancing Loans [Member]
Debt Instrument [Line Items]
Line of credit facility borrowing capacity	$ 418,000,000.0
Horizon Pharma USA Inc [Member] \| New Incremental Revolving Commitments [Member]
Debt Instrument [Line Items]
Aggregate principal amount			$ 200,000,000.0
Line of credit facility additional borrowing capacity			$ 200,000,000.0
Line of credit facility termination period			2024-03
Horizon Pharma USA Inc [Member] \| Letter of Credit Sub-facility [Member]
Debt Instrument [Line Items]
Line of credit facility additional borrowing capacity			$ 50,000,000.0
Hyperion Therapeutics, Inc. [Member] \| Term Loan Facility [Member] \| 2018 Offering [Member]
Debt Instrument [Line Items]
Debt instrument, fair value							$ 390,900,000