Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Quarterly, Percentage

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

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

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- Definition

The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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- Definition

Net number of non-option equity instruments granted to participants.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - USD ($) $ in Thousands			1 Months Ended	3 Months Ended			9 Months Ended
Subsequent Events (Details) - USD ($) $ in Thousands	Jan. 15, 2021	Dec. 30, 2019	Jan. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Proceeds from related party debt financing							$ 200,000	$ 113,700
Options granted (in shares)							1,679,338
Share-based compensation					$ 7,010	$ 19,795	$ 21,746	$ 34,178
Former Chief Executive Officer \| Forecast
Subsequent Event [Line Items]
Severance				$ 1,900
Share-based compensation				$ 28,000
Subsequent Event \| Principal Executive Officer
Subsequent Event [Line Items]
Options granted (in shares)			306,427
Subsequent Event \| Principal Executive Officer \| Restricted stock units (unvested)
Subsequent Event [Line Items]
Awards granted (in shares)			223,076
Annual vesting percentage	25.00%
Quarterly vesting percentage	6.25%
Subsequent Event \| Principal Executive Officer \| Stock Options
Subsequent Event [Line Items]
Annual vesting percentage	25.00%
Quarterly vesting percentage	6.25%
Letter Agreement with Sumitomo Dainippon Pharma, Co., Ltd. \| Term Loan
Subsequent Event [Line Items]
Proceeds from related party debt financing		$ 113,700
Sumitomo Dainippon Pharma Co., Ltd. \| Letter Agreement with Sumitomo Dainippon Pharma, Co., Ltd. \| Term Loan \| Majority Shareholder \| Subsequent Event
Subsequent Event [Line Items]
Proceeds from related party debt financing			$ 45,000
Available borrowing capacity			$ 41,300