Business Combinations - Narrative (Details)			1 Months Ended	12 Months Ended
	Jul. 23, 2019 USD ($)	Oct. 06, 2017 USD ($) numberOfCollaborationAgreements	Oct. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life				20 years
Goodwill				$ 95,229,000	$ 86,646,000
Ab Initio
Business Acquisition [Line Items]
Consideration transferred	$ 12,000,000.0
Gross payments to acquire business	11,840,000
Cash holdback for potential indemnification claims	$ 150,000
Projected cash flow discount rate (as a percent)	12.00%
Goodwill	$ 6,275,000
Vernalis
Business Acquisition [Line Items]
Gross payments to acquire business			$ 43,000,000.0
Projected cash flow discount rate (as a percent)			34.00%
Goodwill			$ 5,939,000
Crystal
Business Acquisition [Line Items]
Gross payments to acquire business		$ 27,200,000
Working capital adjustment		2,200,000
Total share consideration		10,500,000
Cash payable to Crystal Shareholders		336,000		$ 20,000.00
Fair value of contingent consideration		8,401,000
Goodwill		$ 10,697,000
Core Technology | Ab Initio
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	20 years
Core Technology | Vernalis
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life			9 years
Core Technology | Crystal
Business Acquisition [Line Items]
Projected cash flow discount rate (as a percent)		10.80%
Finite-lived intangible asset, useful life		20 years
Average cash flow discount rate (as a percent)		4.60%
Threshold of Revenues above $15 million with Three Collaboration Agreements | Crystal
Business Acquisition [Line Items]
Revenue royalty payable on all Cydex-related revenue (as a percent)		10.00%
Cydex-related revenue amount that triggers royalty payments		$ 15,000,000
Threshold of Revenues above $1.5 million with Four Collaboration Agreements | Crystal
Business Acquisition [Line Items]
Revenue royalty payable on all Cydex-related revenue (as a percent)		20.00%
Cydex-related revenue amount that triggers royalty payments		$ 1,500,000
Number of collaboration agreements | numberOfCollaborationAgreements		4