Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 66,493	$ 56,558
Short-term marketable securities	19,945	23,568
Accounts receivable, net of allowance for doubtful accounts of $2,209 and $1,706 as of June 30, 2023, and December 31, 2022, respectively	75,034	76,225
Inventory	14,311	13,578
Income taxes receivable	868	4,042
Prepaid expenses and other current assets	8,501	12,597
Total current assets	185,152	186,568
Property and equipment, net	248,614	257,785
Goodwill	273,991	273,991
Other intangible assets, net	28,353	31,250
Long-term marketable securities	16,344	26,419
Operating lease assets	3,084	3,844
Finance lease assets	16,934	17,532
Other long-term assets	4,738	4,779
Total assets	777,210	802,168
Current liabilities
Accounts payable	16,474	17,356
Accrued compensation	12,486	12,743
Accrued liabilities and other	19,155	22,384
Current operating lease liabilities	1,209	1,561
Current finance lease liabilities	16,549	17,537
Income taxes payable	348	0
Total current liabilities	66,221	71,581
Long-term operating lease liabilities	1,833	2,255
Long-term finance lease liabilities	745	0
Long-term deferred tax liabilities	20,790	26,322
Other long-term liabilities	4,936	4,362
Total liabilities	94,525	104,520
Shareholders' equity
Preferred stock, $0.001 par value, authorized 10,000,000 shares; issued and outstanding 0 shares as of each of June 30, 2023, and December 31, 2022	0	0
Common stock, $0.001 par value, authorized 150,000,000 shares; issued and outstanding 26,095,434 and 26,888,425 shares as of June 30, 2023, and December 31, 2022, respectively	26	27
Additional paid-in capital	464,950	473,740
Retained earnings	246,930	258,236
Accumulated other comprehensive loss	(29,221)	(34,355)
Total shareholders' equity	682,685	697,648
Total liabilities and shareholders' equity	$ 777,210	$ 802,168