Acquisition - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands			3 Months Ended	7 Months Ended	12 Months Ended
	Nov. 24, 2021	Jun. 09, 2020	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill					$ 117,019	$ 117,516
Fair value of contingent consideration		$ 230,000
Measurement Period Adjustments
Goodwill, adjustments					$ (497)
Adamas Pharmaceuticals
Business Acquisition [Line Items]
Cash and cash equivalents	$ 90,064
Accounts receivable	11,156
Inventories(4)	19,286
Prepaid expenses and other current assets	5,077
Property and equipment	1,254
Intangibles(4)	450,500
Other assets	4,822
Total fair value of assets acquired	582,159
Accounts payable	(4,592)
Accrued expenses and other current liabilities	(8,014)
Current debt	(138,315)
Operating lease liabilities, long-term	(5,224)
Deferred income tax liabilities	(53,957)
Total fair value of liabilities assumed	(210,102)
Total identifiable net assets	372,057
Goodwill	39,056
Total purchase price	411,113
Cash consideration paid	400,806
Fair value of contingent consideration	10,307
Total purchase price	411,113
Measurement Period Adjustments
Inventories				$ (914)
Intangibles				400
Other assets			$ 1,600	(1,620)
Total fair value of assets acquired				(2,134)
Deferred income tax liabilities				2,631
Total identifiable net assets, adjustments				497
Goodwill, adjustments				$ (497)
Adamas Pharmaceuticals | As Initially Reported
Business Acquisition [Line Items]
Cash and cash equivalents	90,064
Accounts receivable	11,156
Inventories(4)	20,200
Prepaid expenses and other current assets	5,077
Property and equipment	1,254
Intangibles(4)	450,100
Other assets	6,442
Total fair value of assets acquired	584,293
Accounts payable	(4,592)
Accrued expenses and other current liabilities	(8,014)
Current debt	(138,315)
Operating lease liabilities, long-term	(5,224)
Deferred income tax liabilities	(56,588)
Total fair value of liabilities assumed	(212,733)
Total identifiable net assets	371,560
Goodwill	39,553
Total purchase price	411,113
Cash consideration paid	400,806
Fair value of contingent consideration	10,307
Total purchase price	$ 411,113