Equity-Based Compensation - Activity Related to Plans (Details)	9 Months Ended
Sep. 30, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	3,885,817
Granted (in shares)	1,420,912
Exercised (in shares)	(19,937)
Expired or terminated (in shares)	(1,053,506)
Outstanding, ending (in shares)	4,233,286
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding (in shares)	1,579,437
Granted (in shares)	825,131
Vested (in shares)	(550,635)
Expired or terminated (in shares)	(819,372)
Outstanding (in shares)	1,034,561
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	472,412
Granted (in shares)	420,912
Exercised (in shares)	(18,487)
Expired or terminated (in shares)	(149,863)
Outstanding, ending (in shares)	724,974
2019 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding (in shares)	128,742
Granted (in shares)	825,131
Vested (in shares)	(78,689)
Expired or terminated (in shares)	(209,697)
Outstanding (in shares)	665,487
2007 Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	2,585,466
Granted (in shares)	0
Exercised (in shares)	0
Expired or terminated (in shares)	(672,295)
Outstanding, ending (in shares)	1,913,171
2007 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding (in shares)	1,407,305
Granted (in shares)	0
Vested (in shares)	(460,185)
Expired or terminated (in shares)	(591,972)
Outstanding (in shares)	355,148
Lumara Health 2013 Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	131,775
Granted (in shares)	0
Exercised (in shares)	(1,450)
Expired or terminated (in shares)	(43,250)
Outstanding, ending (in shares)	87,075
Lumara Health 2013 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding (in shares)	2,167
Granted (in shares)	0
Vested (in shares)	(899)
Expired or terminated (in shares)	(534)
Outstanding (in shares)	734
Inducement Grants
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	696,164
Granted (in shares)	1,000,000
Exercised (in shares)	0
Expired or terminated (in shares)	(188,098)
Outstanding, ending (in shares)	1,508,066
Inducement Grants \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding (in shares)	41,223
Granted (in shares)	0
Vested (in shares)	(10,862)
Expired or terminated (in shares)	(17,169)
Outstanding (in shares)	13,192

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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

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Number of options outstanding, including both vested and non-vested options.

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Number of share options (or share units) exercised during the current period.

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