Debt Instrument, Business Day Notice Period for Prepayment

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- Definition

Debt Instrument, Covenant, Repayment Period Upon Change in Control

+ References

No definition available.

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- Definition

Debt Instrument, Default Interest Rate

+ References

No definition available.

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- Definition

Related Party, Ownership Interest Held By Related Party

+ References

No definition available.

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- Definition

Related Party, Ownership Interest Held By Related Party, Shares

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- Definition

Related Party Transaction, Ownership Threshold for Appointment of Directors

+ References

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- Definition

Related Party Transaction, Ownership Threshold for Right of Ownership Percentage Maintenance

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- Definition

Related Party Transaction, Ownership Threshold for Voting Rights

+ References

No definition available.

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- Definition

Costs of sales and operating expenses for the period incurred from transactions with related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
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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

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

+ References

No definition available.

+ Details

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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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-Paragraph 1
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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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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.

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- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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Related Party Transactions (Narrative) (Details)				1 Months Ended		3 Months Ended		9 Months Ended
Related Party Transactions (Narrative) (Details)	Dec. 30, 2019 USD ($)	Dec. 27, 2019 USD ($) day shares	Jun. 04, 2019 USD ($) $ / shares shares	Apr. 30, 2018 USD ($) $ / shares shares	Oct. 31, 2017 USD ($) shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Related Party Transaction [Line Items]
Interest expense (related party)						$ 16,000	$ 0	$ 16,000	$ 0
DSP \| Majority Shareholder
Related Party Transaction [Line Items]
Number of shares owned (in shares) \| shares		45,008,604
Ownership percentage		50.20%
Ownership threshold for appointment of directors		50.00%
Ownership threshold for voting rights		60.00%
Ownership threshold for right of ownership percentage maintenance		50.00%
Roivant Sciences, Ltd. \| Majority Shareholder \| Service Agreement
Related Party Transaction [Line Items]
Expenses incurred under agreements						200,000	400,000	600,000	4,600,000
Roivant Sciences, Ltd. \| Majority Shareholder \| Share-based Compensation, Expense Allocated to Company
Related Party Transaction [Line Items]
Expenses incurred under agreements						100,000	$ 100,000	300,000	$ 500,000
Private Placement
Related Party Transaction [Line Items]
Number of shares issued (in shares) \| shares					138,361
Net proceeds from sale of shares					$ 2,000,000.0
Private Placement \| Roivant Sciences, Ltd. \| Majority Shareholder
Related Party Transaction [Line Items]
Number of shares issued (in shares) \| shares				1,110,015
Price of shares (in USD per share) \| $ / shares				$ 20.27
Net proceeds from sale of shares				$ 22,500,000
Public Offering
Related Party Transaction [Line Items]
Number of shares issued (in shares) \| shares			17,424,243
Price of shares (in USD per share) \| $ / shares			$ 8.25
Net proceeds from sale of shares			$ 134,500,000
Public Offering \| Majority Shareholder
Related Party Transaction [Line Items]
Number of shares issued (in shares) \| shares			2,424,242
Net proceeds from sale of shares			$ 20,000,000.0
Term Loan \| Letter Agreement with Sumitomo Dainippon Pharma, Co., Ltd. \| DSP \| Majority Shareholder
Related Party Transaction [Line Items]
Maximum borrowing commitment		$ 400,000,000.0
Debt issued	$ 113,700,000	$ 113,700,000
Debt term		5 years
Notice period for prepayment \| day		10
Default interest rate		5.00%
Repayment period upon change in control		30 days
Outstanding balance						113,700,000		113,700,000
Available borrowing capacity						286,300,000		286,300,000
Interest expense (related party)						$ 100,000		$ 100,000
LIBOR \| Term Loan \| Letter Agreement with Sumitomo Dainippon Pharma, Co., Ltd. \| DSP \| Majority Shareholder
Related Party Transaction [Line Items]
Variable interest rate		3.00%
Current interest rate						4.96%		4.96%