The Company and Basis of Presentation	6 Months Ended
Jun. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
The Company and Basis of Presentation	The Company and Basis of Presentation Description of the business: Blucora, Inc. (the "Company" or "Blucora") operates two businesses: a Wealth Management business and an online Tax Preparation business. The Wealth Management business consists of the operations of HDV Holdings, Inc. and its subsidiaries ("HD Vest"). HDV Holdings, Inc. is the parent company of the Wealth Management business and owns all outstanding shares of HD Vest, Inc., which serves as a holding company for the various financial services subsidiaries. Those subsidiaries include HD Vest Investment Securities, Inc. (an introducing broker-dealer), HD Vest Advisory Services, Inc. (a registered investment advisor), and HD Vest Insurance Agency, LLC (an insurance broker) (collectively referred to as the "Wealth Management business" or the "Wealth Management segment"). The Tax Preparation business consists of the operations of TaxAct, Inc. ("TaxAct") and provides digital tax preparation solutions for consumers, small business owners, and tax professionals through its website www.TaxAct.com (collectively referred to as the "Tax Preparation business" or the "Tax Preparation segment"). The Company also operated an internet Search and Content business and an E-Commerce business through 2016. The Search and Content business operated through the InfoSpace LLC subsidiary ("InfoSpace"), and the E-Commerce business consisted of the operations of Monoprice, Inc. ("Monoprice"). On October 14, 2015, the Company announced its plans to focus on the technology-enabled financial solutions market (the "Strategic Transformation"). Strategic Transformation refers to the Company's transformation into a technology-enabled financial solutions company comprised of TaxAct and HD Vest (see "Note 3: Business Combinations") and the divestitures of the Search and Content and E-Commerce businesses in 2016 (see "Note 4: Discontinued Operations"). As part of the Strategic Transformation and "One Company" operating model, the Company announced on October 27, 2016 plans to relocate its corporate headquarters by June 2017 from Bellevue, Washington to Irving, Texas. The actions to relocate corporate headquarters were intended to drive efficiencies and improve operational effectiveness (see "Note 5: Restructuring"). The restructuring is now substantially complete and it is expected to be completed by December 31, 2017. Segments: The Company has two reportable segments: the Wealth Management segment and the Tax Preparation segment. The former Search and Content and E-Commerce segments are included in discontinued operations. (see "Note 11: Segment Information"). Reclassification: The Company reclassified certain amounts on its consolidated statements of cash flows related to excess tax benefits generated from stock-based compensation and restricted cash, both in connection with the implementation of new accounting pronouncements. See the "Recent accounting pronouncements" section of "Note 2: Summary of Significant Accounting Policies" for additional information.

The Company and Basis of Presentation

Description of the business: Blucora, Inc. (the "Company" or "Blucora") operates two businesses: a Wealth Management business and an online Tax Preparation business. The Wealth Management business consists of the operations of HDV Holdings, Inc. and its subsidiaries ("HD Vest"). HDV Holdings, Inc. is the parent company of the Wealth Management business and owns all outstanding shares of HD Vest, Inc., which serves as a holding company for the various financial services subsidiaries. Those subsidiaries include HD Vest Investment Securities, Inc. (an introducing broker-dealer), HD Vest Advisory Services, Inc. (a registered investment advisor), and HD Vest Insurance Agency, LLC (an insurance broker) (collectively referred to as the "Wealth Management business" or the "Wealth Management segment"). The Tax Preparation business consists of the operations of TaxAct, Inc. ("TaxAct") and provides digital tax preparation solutions for consumers, small business owners, and tax professionals through its website www.TaxAct.com (collectively referred to as the "Tax Preparation business" or the "Tax Preparation segment").

The Company also operated an internet Search and Content business and an E-Commerce business through 2016. The Search and Content business operated through the InfoSpace LLC subsidiary ("InfoSpace"), and the E-Commerce business consisted of the operations of Monoprice, Inc. ("Monoprice").

On October 14, 2015, the Company announced its plans to focus on the technology-enabled financial solutions market (the "Strategic Transformation"). Strategic Transformation refers to the Company's transformation into a technology-enabled financial solutions company comprised of TaxAct and HD Vest (see "Note 3: Business Combinations") and the divestitures of the Search and Content and E-Commerce businesses in 2016 (see "Note 4: Discontinued Operations"). As part of the Strategic Transformation and "One Company" operating model, the Company announced on October 27, 2016 plans to relocate its corporate headquarters by June 2017 from Bellevue, Washington to Irving, Texas. The actions to relocate corporate headquarters were intended to drive efficiencies and improve operational effectiveness (see "Note 5: Restructuring"). The restructuring is now substantially complete and it is expected to be completed by December 31, 2017.

Segments: The Company has two reportable segments: the Wealth Management segment and the Tax Preparation segment. The former Search and Content and E-Commerce segments are included in discontinued operations. (see "Note 11: Segment Information").

Reclassification: The Company reclassified certain amounts on its consolidated statements of cash flows related to excess tax benefits generated from stock-based compensation and restricted cash, both in connection with the implementation of new accounting pronouncements. See the "Recent accounting pronouncements" section of "Note 2: Summary of Significant Accounting Policies" for additional information.