Royalty and Commercial Payment Purchase Agreements - Summary (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Agreements
Short-term royalty and commercial payment receivables	$ 2,366	$ 0
Long-term royalty and commercial payment receivables	$ 63,683	$ 69,075	$ 34,575

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