Unaudited Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Total revenue	$ 263,320	$ 225,768
Cost of revenue:
Total cost of revenue	106,355	65,575
Engineering and technology	8,515	6,529
Sales and marketing	79,710	55,572
General and administrative	24,728	17,077
Acquisition and integration	5,682	1,797
Depreciation	1,796	1,061
Amortization of other acquired intangible assets	7,748	8,044
Impairment of goodwill	270,625	0
Total operating expenses	505,159	155,655
Operating income (loss)	(241,839)	70,113
Other loss, net	(6,135)	(3,958)
Income (loss) before income taxes	(247,974)	66,155
Income tax expense	(67,520)	(3,985)
Net income (loss) attributable to Blucora, Inc.	$ (315,494)	$ 62,170
Net income (loss) per share attributable to Blucora, Inc.:
Basic (in USD per share)	$ (6.60)	$ 1.29
Diluted (in USD per share)	$ (6.60)	$ 1.25
Weighted average shares outstanding:
Basic (in shares)	47,827	48,161
Diluted (in shares)	47,827	49,542
Comprehensive income (loss):
Net income (loss)	$ (315,494)	$ 62,170
Other comprehensive income	272	107
Comprehensive income (loss) attributable to Blucora, Inc.	(315,222)	62,277
Wealth Management Services
Revenue:
Total revenue	144,989	89,532
Cost of revenue:
Total cost of revenue	102,342	61,374
Tax Preparation Services
Revenue:
Total revenue	118,331	136,236
Cost of revenue:
Total cost of revenue	$ 4,013	$ 4,201