Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue	$ 66,168	$ 320,268
Cost of revenue	47,357	77,725
Gross profit	18,811	242,543
Operating expenses:
Research and development	9,782	5,989
Selling and marketing	10,083	7,940
General and administrative	21,802	25,775
Amortization of intangible assets	1,968	906
Total operating expenses	43,635	40,610
Operating (loss) income	(24,824)	201,933
Interest and other income, net	3,775	45
(Loss) income before income taxes	(21,049)	201,978
(Benefit from) provision for income taxes	(5,200)	48,421
Net (loss) income from consolidated operations	(15,849)	153,557
Net loss attributable to noncontrolling interests	509	422
Net (loss) income attributable to Fulgent	$ (15,340)	$ 153,979
Net (loss) income per common share attributable to Fulgent:
Basic	$ (0.52)	$ 5.09
Diluted	$ (0.52)	$ 4.93
Weighted-average common shares:
Basic	29,536	30,234
Diluted	29,536	31,240