Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 92,804	$ 83,790
Short-term marketable securities	16,875	19,013
Accounts receivable, net of allowance for doubtful accounts of $2,588 and $2,499 as of March 31, 2024, and December 31, 2023, respectively	77,849	72,848
Inventory	12,823	13,657
Income taxes receivable	644	2,228
Prepaid expenses and other current assets	9,425	9,124
Total current assets	210,420	200,660
Property and equipment, net	247,798	253,655
Goodwill	273,991	273,991
Other intangible assets, net	24,407	25,584
Long-term marketable securities	3,257	8,019
Operating lease assets	4,185	4,628
Finance lease assets	893	960
Other long-term assets	4,852	4,856
Total assets	769,803	772,353
Current liabilities
Accounts payable	15,256	15,636
Accrued compensation	16,239	15,292
Accrued liabilities and other	21,216	16,872
Current operating lease liabilities	1,549	1,585
Current finance lease liabilities	299	296
Income taxes payable	3,877	0
Total current liabilities	58,436	49,681
Long-term operating lease liabilities	2,588	3,008
Long-term finance lease liabilities	519	595
Long-term deferred tax liabilities	16,482	18,742
Other long-term liabilities	4,468	5,032
Total liabilities	82,493	77,058
Shareholders' equity
Preferred stock, $0.001 par value, authorized 10,000,000 shares; issued and outstanding 0 shares as of each of March 31, 2024, and December 31, 2023	0	0
Common stock, $0.001 par value, authorized 150,000,000 shares; issued and outstanding 25,316,070 and 25,721,957 shares as of March 31, 2024, and December 31, 2023, respectively	26	26
Additional paid-in capital	462,715	466,884
Retained earnings	253,414	256,398
Accumulated other comprehensive loss	(28,845)	(28,013)
Total shareholders' equity	687,310	695,295
Total liabilities and shareholders' equity	$ 769,803	$ 772,353