Condensed Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenue	$ 125,341	$ 153,616	$ 445,609	$ 513,045
Cost of revenue	60,065	35,858	137,790	109,933
Gross profit	65,276	117,758	307,819	403,112
Operating expenses:
Research and development	6,905	5,312	12,894	10,734
Selling and marketing	10,866	5,219	18,806	10,227
General and administrative	30,240	8,329	56,015	16,331
Amortization of intangible assets	1,575		2,481
Restructuring Costs	2,896		2,896
Total operating expenses	52,482	18,860	93,092	37,292
Operating income	12,794	98,898	214,727	365,820
Interest and other income, net	958	604	1,003	886
Income before income taxes and gain on equity method investment	13,752	99,502	215,730	366,706
Provision for income taxes	2,653	23,589	51,074	90,102
Income before gain on equity method investment	11,099	75,913	164,656	276,604
Gain on equity method investment		3,734		3,734
Net income from consolidated operations	11,099	79,647	164,656	280,338
Net loss attributable to noncontrolling interests	438	165	860	165
Net income attributable to Fulgent	$ 11,537	$ 79,812	$ 165,516	$ 280,503
Net income per common share attributable to Fulgent:
Basic	$ 0.38	$ 2.74	$ 5.46	$ 9.68
Diluted	$ 0.37	$ 2.59	$ 5.30	$ 9.10
Weighted-average common shares:
Basic	30,362	29,150	30,298	28,991
Diluted	31,189	30,830	31,225	30,809