Assets Held for Sale (Details) $ in Thousands		2 Months Ended	3 Months Ended							8 Months Ended	12 Months Ended
	Sep. 09, 2020 USD ($) numberOfNotesRecivables	Aug. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Aug. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		$ 4,115		$ 5,211	$ 5,995	$ 8,521	$ 8,031	$ 7,458	$ 6,696	$ 15,321		$ 30,706	$ 32,028
Cost of Revenue										6,626		17,276	13,555
Amortization of Intangible Assets										841		1,290	1,294
General and Administrative Expense										29,695		38,334	33,700
Selling and Marketing Expense										3,322		6,806	6,341
Research and Development Expense										(4,374)		(7,350)	(2,759)
Change in fair value of contingent consideration										0		0	369
Operating Income (Loss)										(54,250)		(51,118)	(34,190)
Nonoperating Income (Expense)										(6,570)		(10,328)	(5,328)
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax										(57,921)		(12,294)	(16,405)
Discontinued Operation, Tax Effect of Discontinued Operation										(23,006)		1,303	19,689
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		15,236		(37,399)	(12,752)	(26,011)	$ (6,155)	$ 3,502	$ 15,067	(34,915)		(13,597)	(36,094)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations		25,060				24,469				25,060		24,469	28,910
Accounts Receivable, after Allowance for Credit Loss, Current						6,559						6,559
Inventory, net						8,061						8,061
Prepaid and other current assets						7,344						7,344
Property, Plant and Equipment, Net						2,560						2,560
Royalty rights - at fair value						266,196						266,196
Intangible assets, net						13,186						13,186
Other assets						9,247						9,247
Assets						717,206						717,206
Accounts Payable, Current						2,675						2,675
Accrued liabilities						11,923						11,923
Other Liabilities, Noncurrent						50,865						50,865
Liabilities						123,928						123,928
Disposal Group, Including Discontinued Operation, Consideration to be Received, Number of Quarterly Installments | numberOfNotesRecivables	12
Disposal Group, Including Discontinued Operation, Additional Consideration to be Received, Number of Quarterly Installments | numberOfNotesRecivables	4
Disposal Group, Including Discontinued Operation, Consideration to be Received, Number of Quarterly Installments | numberOfNotesRecivables	12
Disposal Group, Including Discontinued Operation, Additional Consideration to be Received, Number of Quarterly Installments | numberOfNotesRecivables	4
Kybella, Zalviso, and Coflex [Member] | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration		$ 4,350								4,350
Noden [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Increase (Decrease) in Assets Held-for-sale				$ 16,800	$ 4,900
Noden [Member] | Discontinued Operations, Disposed of by Sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration	$ 12,200
Disposal Group, Including Discontinued Operation, Contingent Consideration, Value-Added Tax Receivable	500
Disposal Group, Including Discontinued Operation, Consideration to be Received	33,000
Disposal Group, Including Discontinued Operation, Contingent Consideration	2,500
Disposal Group, Including Discontinued Operation, Additional Consideration to be Received	$ 3,900
Disposal Group, Including Discontinued Operation, Contingent Consideration, Period after Closing Date for Binding Agreement Contingency			1 year
Disposal Group, Including Discontinued Operation, Contingent Consideration, License Fee Rate	50.00%
isposal Group, Including Discontinued Operation, Contingent Consideration, License Fee Rate, Period of Receipt	10 days
Disposal Group, Including Discontinued Operation, Gain (Loss) on Disposal	$ 200
Liquidation Basis of Accounting, Receivables from Asset Sales			$ 39,400								$ 39,400
Disposal Group, Including Discontinued Operation, Contingent Consideration, Period after Closing Date for Binding Agreement Contingency			1 year
isposal Group, Including Discontinued Operation, Contingent Consideration, License Fee Rate, Period of Receipt	10 days
Disposal Group, Including Discontinued Operation, Contingent Consideration, License Fee Rate	50.00%
Disposal Group, Including Discontinued Operation, Gain (Loss) on Disposal	$ 200
Disposal Group, Including Discontinued Operation, Additional Consideration to be Received	3,900
Noden [Member] | Discontinued Operations, Disposed of by Sale [Member] | Maximum [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration	$ 52,800
Product Revenue [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from Contract with Customer, Including Assessed Tax										10,946		22,331	15,928
Acquired rights [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues										0		0	(30)
Discontinued Operations, Held-for-sale [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues										20,675		24,051	166,083
Cost of Revenue										17,576		36,343	34,906
Amortization of Intangible Assets										389		5,016	14,536
General and Administrative Expense										6,105		7,264	11,720
Selling and Marketing Expense										257		1,675	10,800
Research and Development Expense										0		(41)	(196)
Impairment of Intangible Assets, Finite-lived										0	$ 22,500	22,490	152,330
Change in fair value of contingent consideration										0		0	(42,000)
Operating Expenses										24,327		72,747	182,488
Unrealized Gain (Loss) on Investments										(25,365)		36,402	0
Increase (Decrease) in Assets Held-for-sale										(28,904)		0	0
Operating Income (Loss)										(3,652)		(48,696)	(16,405)
Nonoperating Income (Expense)										(54,269)		36,402	0
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax										(57,921)		(12,294)	(16,405)
Discontinued Operation, Tax Effect of Discontinued Operation										(23,006)		1,303
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax										(34,915)		(13,597)	(36,094)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations						24,500						24,500
Accounts Receivable, after Allowance for Credit Loss, Current						6,993						6,993
Inventory, net						31,712						31,712
Prepaid and other current assets						7,192						7,192
Property, Plant and Equipment, Net						2,960						2,960
Royalty rights - at fair value						266,196						266,196
Investments						82,267						82,267
Intangible assets, net						10,112						10,112
Other assets						15,956						15,956
Assets						447,857						447,857
Accounts Payable, Current						14,695						14,695
Accrued liabilities						16,400						16,400
Other Liabilities, Noncurrent						120						120
Liabilities						$ 31,215						31,215
Discontinued Operations, Held-for-sale [Member] | Product Revenue [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue from Contract with Customer, Including Assessed Tax										29,479		55,093	80,796
Discontinued Operations, Held-for-sale [Member] | Acquired rights [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues										$ (8,804)		$ (31,042)	$ 85,287