CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net income (loss)	$ 44,239	$ (16,280)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Change in estimated fair value of contingent liabilities	108	(1,266)
Depreciation and amortization of intangible assets	18,994	26,921
Amortization of premium on investments, net	(659)	44
Amortization of debt discount and issuance fees	159	501
Amortization of commercial license rights	(814)	(190)
Gain on debt extinguishment	0	(3,326)
Share-based compensation	13,138	18,543
Deferred income taxes	(1,246)	(12,925)
(Gain) loss from short-term investments	(43,524)	14,786
Lease amortization expense	897	3,054
Other	153	(67)
Changes in operating assets and liabilities:
Accounts receivable, net	2,476	23,208
Inventory	(10,966)	9,740
Accounts payable and accrued liabilities	(4,960)	(4,357)
Income tax receivable and payable	16,001	9,011
Other assets and liabilities	(130)	(3,508)
Net cash provided by operating activities	33,866	63,889
Cash flows from investing activities:
Purchase of short-term investments	(88,989)	(38,472)
Proceeds from sale of short-term investments	88,832	177,554
Proceeds from maturity of short-term investments	20,666	24,830
Cash paid for equity method investment	0	(750)
Purchase of property and equipment	(2,617)	(11,463)
Proceeds from commercial license rights	213	0
Other	0	33
Net cash provided by investing activities	18,105	151,732
Cash flows from financing activities:
Repayment at maturity/repurchase of 2023 Notes	(76,854)	(223,303)
Net proceeds from stock option exercises and ESPP	12,535	1,011
Taxes paid related to net share settlement of equity awards	(4,187)	(5,922)
Payments to CVR Holders	0	(1,416)
Payments for OmniAb transaction costs	0	(206)
Other	(26)	(27)
Net cash used in financing activities	(68,532)	(229,863)
Net decrease in cash, cash equivalents and restricted cash	(16,561)	(14,242)
Cash, cash equivalents and restricted cash at beginning of period	45,006	19,522
Cash, cash equivalents and restricted cash at end of period	28,445	5,280
Supplemental disclosure of cash flow information:
Interest paid	288	1,038
Taxes paid	0	20
Supplemental schedule of non-cash activity:
Accrued fixed asset purchases	532	3,800
Accrued inventory purchases	2,646	9,161
Unrealized gain (loss) on AFS investments, net of tax	$ 17	$ (149)