Acquisitions	6 Months Ended
Jun. 30, 2018
Business Combinations [Abstract]
Acquisitions	Note 2 — Acquisitions The Company accounts for business acquisitions in accordance with the acquisition method of accounting as prescribed by ASC 805, Business Combinations. The acquisition method of accounting requires the Company to record the net assets and liabilities acquired based on their estimated fair values as of the acquisition date, with any excess of the consideration transferred over the estimated fair value of the net assets acquired, including identifiable intangible assets, to be recorded to goodwill. On June 22, 2018, Forrester acquired substantially all of the assets of SocialGlimpz Inc. (“GlimpzIt”), an artificial intelligence and machine-learning provider based in San Francisco. The acquisition is part of Forrester's plan to build a real-time customer experience or CX cloud solution, integrating a range of inputs to help companies monitor and improve customer experience. Forrester intends to deploy the GlimpzIt technology to extend the analytics engine in Forrester’s planned real-time CX cloud. The acquisition of GlimpzIt was determined to be an acquisition of a business under the provisions of ASC 805. The total purchase price was approximately $1.3 million, which was paid in cash on the acquisition date, and is allocated, subject to completion of a valuation study, as $1.0 million of goodwill and $0.3 million of intangible assets. The acquired working capital was insignificant. Goodwill has been allocated to the Product segment and is expected to be deductible for income tax purposes. Pro forma financial information for prior periods is not provided as it is insignificant.

Note 2 — Acquisitions

The Company accounts for business acquisitions in accordance with the acquisition method of accounting as prescribed by ASC 805, Business Combinations. The acquisition method of accounting requires the Company to record the net assets and liabilities acquired based on their estimated fair values as of the acquisition date, with any excess of the consideration transferred over the estimated fair value of the net assets acquired, including identifiable intangible assets, to be recorded to goodwill.

On June 22, 2018, Forrester acquired substantially all of the assets of SocialGlimpz Inc. (“GlimpzIt”), an artificial intelligence and machine-learning provider based in San Francisco. The acquisition is part of Forrester's plan to build a real-time customer experience or CX cloud solution, integrating a range of inputs to help companies monitor and improve customer experience. Forrester intends to deploy the GlimpzIt technology to extend the analytics engine in Forrester’s planned real-time CX cloud. The acquisition of GlimpzIt was determined to be an acquisition of a business under the provisions of ASC 805. The total purchase price was approximately $1.3 million, which was paid in cash on the acquisition date, and is allocated, subject to completion of a valuation study, as $1.0 million of goodwill and $0.3 million of intangible assets. The acquired working capital was insignificant. Goodwill has been allocated to the Product segment and is expected to be deductible for income tax purposes. Pro forma financial information for prior periods is not provided as it is insignificant.