XOMA Royalty Corporation Quarterly report [Sections 13 or 15(d)]

Royalty and Commercial Payment Purchase Agreements - Summary of Royalty Receivable Activities (Details)

Royalty and Commercial Payment Purchase Agreements - Summary of Royalty Receivable Activities (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, Cost Recovery Method	$ 56,349
Acquisition of Royalty and Commercial Payment Receivables, Cost Recovery Method	4,395
Receipt of Royalty and Commercial Payments, Cost Recovery Method	(415)
Recognition of Contingent Consideration, Cost Recovery Method	60,329
Contingent consideration under RPAs, AAAs, and CPPAs
Balance at Beginning of Period, Contingent consideration under RPAs, AAAs, and CPPAs	3,000
Royalty and Commercial Payment Receivable Activities Under the EIR Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, EIR Method	19,733
Income from Purchased Receivables Under the EIR Method	6,070
Receipt of Royalty and Commercial Payments, EIR Method	(11,706)
Payment of Sales-Based Milestone	3,000
Balance at End of Period, Royalty and Commercial Payment Receivables, EIR Method	17,097
Income
Income from purchased receivables under the cost recovery method	5,525
Income from purchased receivables under the EIR method	6,070
Twist
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, Cost Recovery Method	15,000
Recognition of Contingent Consideration, Cost Recovery Method	15,000
Dare \| XACIATO
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, Cost Recovery Method	21,999
Receipt of Royalty and Commercial Payments, Cost Recovery Method	(2)
Recognition of Contingent Consideration, Cost Recovery Method	21,997
LadRx \| MIPLYFFA
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, Cost Recovery Method	4,850
Receipt of Royalty and Commercial Payments, Cost Recovery Method	(413)
Recognition of Contingent Consideration, Cost Recovery Method	4,437
Palobiofarma
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, Cost Recovery Method	10,000
Recognition of Contingent Consideration, Cost Recovery Method	10,000
Kuros
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, Cost Recovery Method	4,500
Recognition of Contingent Consideration, Cost Recovery Method	4,500
Castle Creek Biosciences, Inc
Royalty and Commercial Payment Receivable Activities Under the Cost Recovery Method
Acquisition of Royalty and Commercial Payment Receivables, Cost Recovery Method	4,395
Recognition of Contingent Consideration, Cost Recovery Method	4,395
Viracta \| OJEMDA
Income
Income from purchased receivables under the cost recovery method	5,525
Affitech \| VABYSMO
Royalty and Commercial Payment Receivable Activities Under the EIR Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, EIR Method	13,105
Income from Purchased Receivables Under the EIR Method	5,817
Receipt of Royalty and Commercial Payments, EIR Method	(11,145)
Payment of Sales-Based Milestone	3,000
Balance at End of Period, Royalty and Commercial Payment Receivables, EIR Method	10,777
Income
Income from purchased receivables under the EIR method	5,817
Aptevo \| IXINITY
Royalty and Commercial Payment Receivable Activities Under the EIR Method
Balance at Beginning of Period, Royalty and Commercial Payment Receivables, EIR Method	6,628
Income from Purchased Receivables Under the EIR Method	253
Receipt of Royalty and Commercial Payments, EIR Method	(561)
Balance at End of Period, Royalty and Commercial Payment Receivables, EIR Method	6,320
Income
Income from purchased receivables under the EIR method	$ 253