Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 83,496	$ 56,558
Short-term marketable securities	19,204	23,568
Accounts receivable, net of allowance for doubtful accounts of $2,665 and $1,706 as of September 30, 2023, and December 31, 2022, respectively	78,395	76,225
Inventory	13,803	13,578
Income taxes receivable	891	4,042
Prepaid expenses and other current assets	8,722	12,597
Total current assets	204,511	186,568
Property and equipment, net	243,022	257,785
Goodwill	273,991	273,991
Other intangible assets, net	26,668	31,250
Long-term marketable securities	12,212	26,419
Operating lease assets	2,737	3,844
Finance lease assets	16,763	17,532
Other long-term assets	4,341	4,779
Total assets	784,245	802,168
Current liabilities
Accounts payable	17,922	17,356
Accrued compensation	16,337	12,743
Accrued liabilities and other	21,027	22,384
Current operating lease liabilities	1,568	1,561
Current finance lease liabilities	16,630	17,537
Income taxes payable	1,144	0
Total current liabilities	74,628	71,581
Long-term operating lease liabilities	1,545	2,255
Long-term finance lease liabilities	671	0
Long-term deferred tax liabilities	17,138	26,322
Other long-term liabilities	5,341	4,362
Total liabilities	99,323	104,520
Shareholders' equity
Preferred stock, $0.001 par value, authorized 10,000,000 shares; issued and outstanding 0 shares as of each of September 30, 2023, and December 31, 2022	0	0
Common stock, $0.001 par value, authorized 150,000,000 shares; issued and outstanding 25,785,903 and 26,888,425 shares as of September 30, 2023, and December 31, 2022, respectively	26	27
Additional paid-in capital	463,908	473,740
Retained earnings	251,276	258,236
Accumulated other comprehensive loss	(30,288)	(34,355)
Total shareholders' equity	684,922	697,648
Total liabilities and shareholders' equity	$ 784,245	$ 802,168