Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 123,572	$ 133,320
Marketable securities	574,451	627,265
Total cash, cash equivalents, and marketable securities	698,023	760,585
Accounts and accrued receivable	34,419	30,590
Restricted cash	25,000	25,000
Other current assets	56,506	55,810
Total current assets	813,948	871,985
Long-term assets:
Property and equipment, net	306,081	287,696
Intangible assets, net	118,736	120,425
Goodwill	47,806	47,806
Investments in equity accounted investees	71,592	65,938
Other long-term assets	104,933	94,244
Total long-term assets	649,148	616,109
Total assets	1,463,096	1,488,094
Current liabilities:
Accounts payable and other current liabilities	42,887	49,580
Contingent consideration payable	51,431	50,475
Deferred revenue	10,565	18,958
Total current liabilities	104,883	119,013
Long-term liabilities:
Operating lease liability	68,079	71,222
Deferred revenue	8,570	8,195
Deferred government contributions	110,579	95,915
Contingent consideration payable	5,063	4,913
Deferred tax liability	30,274	30,612
Other long-term liabilities	5,735	5,906
Total long-term liabilities	228,300	216,763
Total liabilities	333,183	335,776
Commitments and contingencies
Shareholders' equity:
Common shares: no par value, unlimited authorized shares at December 31, 2023 and March 31, 2024: 290,824,970 and 293,621,312 shares issued and outstanding at December 31, 2023 and March 31, 2024, respectively	764,562	753,199
Additional paid-in capital	127,990	121,052
Accumulated other comprehensive loss	(1,816)	(1,720)
Accumulated earnings	239,177	279,787
Total shareholders' equity	1,129,913	1,152,318
Total liabilities and shareholders' equity	$ 1,463,096	$ 1,488,094