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Commercialization Agreement, Warrant Value

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Contract with Customer, Liability, Revenue Recognized, Amendment Fee

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Contract with Customer, Liability, Revenue Recognized, Milestone Payment

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Represents the milestone payment received by the entity during the period.

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The number of performance obligations the Company has under the agreement.

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The proceeds from the transfer of inventory per the agreement.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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REVENUE - Narrative (Details)					1 Months Ended			3 Months Ended								6 Months Ended	12 Months Ended				36 Months Ended	48 Months Ended
REVENUE - Narrative (Details)	Jan. 01, 2022 USD ($)	Jan. 01, 2019	Nov. 08, 2018 $ / shares shares	Jan. 09, 2018 USD ($) performance_obligation	Nov. 30, 2018 USD ($)	Jan. 31, 2018 USD ($)	Oct. 31, 2013 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Aug. 02, 2018 USD ($)
Collaboration and License Agreements
Total revenues								$ 59,225,000	$ 55,147,000	$ 57,203,000	$ 57,929,000	$ 42,599,000	$ 77,493,000	$ 63,274,000	$ 128,404,000			$ 229,504,000	$ 311,770,000	$ 380,724,000
Contract asset								1,896,000				2,416,000						1,896,000	2,416,000
NUCYNTA products
Collaboration and License Agreements
Product revenue recognized															12,500,000
Total revenues																		927,000	18,944,000	239,539,000
Product sales, net
Collaboration and License Agreements
Total revenues								28,917,000	$ 27,502,000	$ 25,937,000	$ 26,450,000	29,339,000	$ 29,435,000	$ 26,838,000	$ 44,354,000			108,806,000	129,966,000	379,880,000
Commercialization rights and facilitation services
Collaboration and License Agreements
Total revenues																		118,614,000	100,038,000	0
Total revenues upon transfer of inventory																			55,705,000
Commercialization agreement, net
Collaboration and License Agreements
Total revenues																		118,614,000	155,743,000	0
Royalties and milestones
Collaboration and License Agreements
Total revenues																		2,084,000	26,061,000	844,000
Revenue from transfer of inventory
Collaboration and License Agreements
Total revenues																		0	55,705,000	$ 0
CAMBIA Canada
Collaboration and License Agreements
Contract asset								0				0						0	0
Collegium Pharmaceutical Inc
Collaboration and License Agreements
Contract liability						$ 10,000,000
Collegium warrants						8,800,000
Contract asset								1,896,000				$ 2,416,000						1,896,000	2,416,000
Ironwood Pharmaceuticals, Inc. \| Milestone Payment
Collaboration and License Agreements
Total revenues																$ 5,000,000
Milestone payment received																$ 5,000,000
Minimum \| Forecast \| NUCYNTA products \| Third Party
Collaboration and License Agreements
Revenues																						$ 180,000,000.0
Maximum \| Forecast \| Third Party
Collaboration and License Agreements
Royalty obligation																						$ 8,800,000
Prepaid and other current assets
Collaboration and License Agreements
Contract asset								800,000										800,000
Other long-term assets
Collaboration and License Agreements
Contract asset								$ 1,100,000										1,100,000
Nuvo Pharmaceuticals Agreement \| CAMBIA Canada
Collaboration and License Agreements
Revenue recognized																		2,100,000	800,000
One time amendment fee																		300,000
Milestone payment																		$ 500,000
Commercialization agreement, net \| NUCYNTA products \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Number of performance obligations (performance obligation) \| performance_obligation				3
Transaction price						553,200,000
Total minimum annual royalties						537,000,000
Upfront payment						10,000,000
Proceeds from transfer of inventory						$ 6,200,000
Commercialization agreement, net \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Royalty arrangement, annual payments term	60 days
Performance Obligation Transfer Of Finished Goods \| NUCYNTA products \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Transaction price				$ 55,700,000
Performance Obligation Commercialize And Facilitation Services \| NUCYNTA products \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Transaction price				497,500,000
Amended Commercialization Agreement \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Transaction price					$ 157,000,000
Total minimum annual royalties					132,000,000
Proceeds from transfer of inventory					6,200,000
Commercialization agreement, reimbursement of royalties term		4 years
Commercialization agreement, warrant to purchase shares (in shares) \| shares			1,041,667
Commercialization agreement, exercise price (in dollars per share) \| $ / shares			$ 19.20
Commercialization agreement, warrant exercise period			4 years
Commercialization agreement, warrant value in transaction price					$ 8,800,000
Royalty arrangement, termination notice period					60 days
Amended Commercialization Agreement \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Royalty arrangement, termination notice period	12 months																12 months
Commercialization Agreement And Amended Commercialization Agreement [Member] \| Collegium Pharmaceutical Inc \| Commercialization rights and facilitation services
Collaboration and License Agreements
Total revenues																			118,600,000
Commercialization Agreement, 65% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales																	65.00%				65.00%	65.00%
Commercialization agreement, net annual sales threshold																					$ 180,000,000
Commercialization Agreement, 14% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales																	14.00%				14.00%	14.00%
Commercialization Agreement, 14% Royalty On Net Annual Sales \| Minimum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold																					$ 180,000,000
Commercialization Agreement, 14% Royalty On Net Annual Sales \| Maximum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold																					$ 210,000,000
Commercialization Agreement, 58% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales	58.00%																58.00%				58.00%	58.00%
Commercialization agreement, net annual sales threshold	$ 233,000,000
Commercialization Agreement, 58% Royalty On Net Annual Sales \| Minimum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold																					$ 210,000,000
Commercialization Agreement, 58% Royalty On Net Annual Sales \| Maximum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold																					$ 233,000,000
Royalty arrangement, quarterly payment term	45 days
Commercialization Agreement, 20% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales																	20.00%				20.00%	20.00%
Commercialization Agreement, 20% Royalty On Net Annual Sales \| Minimum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold																					$ 233,000,000
Commercialization Agreement, 20% Royalty On Net Annual Sales \| Maximum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold																					$ 258,000,000
Commercialization Agreement, 15% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales																	15.00%				15.00%	15.00%
Commercialization agreement, net annual sales threshold																					$ 258,000,000
Commercialization Agreement, 25% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales	25.00%
Commercialization Agreement, 25% Royalty On Net Annual Sales \| Minimum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold	$ 233,000,000
Commercialization Agreement, 25% Royalty On Net Annual Sales \| Maximum \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Commercialization agreement, net annual sales threshold	$ 258,000,000
Commercialization Agreement, 17.5% Royalty On Net Annual Sales \| Forecast \| Collegium Pharmaceutical Inc
Collaboration and License Agreements
Percentage of royalty on annual net sales	17.50%
Commercialization agreement, net annual sales threshold	$ 258,000,000
Future Royalty Liability Arrangement \| P D L Bio Pharma
Collaboration and License Agreements
Royalty and milestone payments received							$ 240,500,000
Total sales price																							$ 20,000,000
Future Royalty Liability Arrangement \| P D L Bio Pharma \| Royalties and milestones
Collaboration and License Agreements
Total revenues																			$ 20,000,000
Collegium Pharmaceutical Inc \| Minimum \| Forecast \| NUCYNTA products \| Third Party
Collaboration and License Agreements
Royalty obligation																						$ 34,000,000.0
Collegium Pharmaceutical Inc \| Commercialization agreement, net \| NUCYNTA products
Collaboration and License Agreements
Termination penalty				$ 25,000,000.0
Collegium Pharmaceutical Inc \| Amended Commercialization Agreement
Collaboration and License Agreements
Termination penalty					$ 5,000,000
Royalty arrangement, termination notice period					12 months
Collegium Pharmaceutical Inc \| Amended Commercialization Agreement \| Forecast \| Product sales, net
Collaboration and License Agreements
Commercialization agreement, termination, net sales threshold	$ 170,000,000																$ 180,000,000
Collegium Pharmaceutical Inc \| Commercialization Agreement, 14% Royalty On Net Annual Sales \| Forecast \| Third Party
Collaboration and License Agreements
Percentage of royalty on annual net sales																	14.00%				14.00%	14.00%