Equity-Based Compensation - Activity Related to Plans (Details)	3 Months Ended
Mar. 31, 2020 plan shares
Equity compensation plans
Number of equity compensation plans \| plan	3
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	3,885,817
Granted (in shares)	228,650
Exercised (in shares)	0
Expired or terminated (in shares)	(184,716)
Outstanding, ending (in shares)	3,929,751
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)	647,029
Vested (in shares)	(405,360)
Expired or terminated (in shares)	(213,362)
Outstanding (in shares)	1,607,744
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	472,412
Granted (in shares)	228,650
Exercised (in shares)	0
Expired or terminated (in shares)	(35,600)
Outstanding, ending (in shares)	665,462
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)	647,029
Vested (in shares)	0
Expired or terminated (in shares)	(6,200)
Outstanding (in shares)	769,571
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)	(113,530)
Outstanding, ending (in shares)	2,471,936
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)	(402,993)
Expired or terminated (in shares)	(204,161)
Outstanding (in shares)	800,151
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)	0
Expired or terminated (in shares)	(2,988)
Outstanding, ending (in shares)	128,787
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)	(366)
Expired or terminated (in shares)	0
Outstanding (in shares)	1,801
Inducement Grants
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, beginning (in shares)	696,164
Granted (in shares)	0
Exercised (in shares)	0
Expired or terminated (in shares)	(32,598)
Outstanding, ending (in shares)	663,566
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)	(2,001)
Expired or terminated (in shares)	(3,001)
Outstanding (in shares)	36,221

Share-Based Compensation Arrangements By Share-Based Payment Award, Number Of Plans

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited 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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