Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 65,929	$ 127,603
Short-term marketable securities	11,580	34,088
Accounts receivable, net of allowance for doubtful accounts of $1,948 and $1,781 as of December 31, 2021 and December 31, 2020, respectively	80,051	57,877
Inventory	13,161	10,862
Prepaid expenses and other current assets	11,450	11,032
Income taxes receivable	1,321	540
Total current assets	183,492	242,002
Property and equipment, net	280,346	282,666
Goodwill	400,610	128,752
Other intangible assets, net	37,998	14,350
Long-term marketable securities	14,340	59,357
Operating lease assets	5,578	9,855
Finance lease assets	1,898	2,396
Other long-term assets	4,320	4,826
Total assets	928,582	744,204
Current liabilities
Accounts payable	25,364	18,248
Accrued compensation	13,704	11,989
Accrued liabilities and other	11,980	16,193
Current operating lease liabilities	3,298	3,272
Current finance lease liabilities	550	552
Total current liabilities	54,896	50,254
Long-term operating lease liabilities	2,245	7,586
Long-term finance lease liabilities	1,351	1,919
Long-term deferred tax liabilities	35,892	33,854
Other long-term liabilities	5,705	6,235
Total liabilities	100,089	99,848
Shareholders' equity
Preferred stock, $0.001 par value, authorized 10,000,000 shares; issued and outstanding 0 shares as of December 31, 2021 and December 31, 2020, respectively	0	0
Common stock, $0.001 par value, authorized 150,000,000 shares; issued and outstanding 27,465,945 and 26,776,796 shares as of December 31, 2021 and December 31, 2020, respectively	28	27
Additional paid-in capital	468,548	284,848
Retained earnings	376,734	362,901
Accumulated other comprehensive loss	(16,817)	(3,420)
Total shareholders' equity	828,493	644,356
Total liabilities and shareholders' equity	$ 928,582	$ 744,204