Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net earnings	$ 1,316	$ 60,711	$ 53,424
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	84,859	85,543	32,595
Navitor investment R&D expense (see Note 4)	0	0	15,000
Other income from Navitor (see Note 4)	0	(12,888)	0
Impairment of intangible assets	20,189	0	0
Amortization of deferred financing costs and debt discount	532	2,112	17,501
Share-based compensation expense	26,759	17,568	17,910
Realized gains from sales of marketable securities	0	(14)	(347)
Amortization of premium/discount on marketable securities	(122)	3,233	418
Changes in fair value of contingent consideration	(1,517)	(510)	(6,530)
Other noncash adjustments, net	13,920	11,638	(1,420)
Deferred income tax benefit	(25,714)	(26,324)	(4,994)
Changes in operating assets and liabilities:
Accounts receivable	18,765	(16,366)	3,867
Inventories	6,110	(17,858)	(14,580)
Prepaid expenses and other assets	(334)	12,303	(8,398)
Accrued product returns and rebates	2,609	18,941	4,502
Accounts payable and other liabilities	(36,287)	(19,163)	18,179
Contingent consideration	0	(2,100)	0
Net cash provided by operating activities	111,085	116,826	127,127
Cash flows from investing activities
Sales and maturities of marketable securities	370,901	190,739	530,509
Purchases of marketable securities	(101,621)	(406,990)	(311,573)
Acquisition of USWM, net of cash acquired	0	0	(950)
Acquisition of Adamas, net of cash acquired	0	0	(310,742)
Distribution from Navitor	0	0	12,888
Purchase of property and equipment and deferred legal fees paid	(551)	(412)	(2,045)
Net cash provided by (used in) investing activities	268,729	(216,663)	(81,913)
Cash flows from financing activities
Proceeds from issuance of common stock	6,610	12,423	7,095
Employee taxes paid related to net share settlement of equity awards	(1,990)	0	0
Proceeds from Line of Credit	93,000	0	0
Payments on Line of Credit	(93,000)	0	0
Payment on convertible notes	(402,500)	0	0
Proceeds from governmental loan and grant	0	0	800
Repayment of acquired Adamas loan	0	0	(138,315)
Payment of contingent consideration	0	(22,900)	0
Net cash used in financing activities	(397,880)	(10,477)	(130,420)
Net change in cash and cash equivalents	(18,066)	(110,314)	(85,206)
Cash and cash equivalents at beginning of year	93,120	203,434	288,640
Cash and cash equivalents at end of year	75,054	93,120	203,434
Supplemental cash flow information:
Cash paid for interest on debt	1,946	2,516	2,516
Cash paid for operating leases	17,112	12,883	11,908
Cash paid for income taxes	36,602	16,200	25,190
Noncash investing and financing activity:
Contingent consideration liability related to acquisitions	0	0	10,307
Property and equipment additions from utilization of tenant improvement allowance	$ 0	$ 580	$ 25