Organization and Nature of Operations	9 Months Ended
Sep. 30, 2021
Organization and Nature of Operations [Abstract]
Organization and nature of operations	Organization and Nature of Operations PROS Holdings, Inc., a Delaware corporation, through its operating subsidiaries (collectively, the "Company"), provides software-as-a-service ("SaaS") solutions that optimize shopping and selling experiences. Built on the PROS platform, these intelligent solutions leverage business artificial intelligence ("AI"), intuitive user experiences and process automation to deliver frictionless, personalized purchasing experiences designed to meet the real-time demands of today’s business-to-business ("B2B") and business-to-consumer ("B2C") omnichannel shoppers, regardless of industry. Companies can use these solutions to assess their market environments in real time to deliver customized prices and offers. The Company's solutions enable its customers to empower their buyers to move fluidly across its customers’ direct sales, partner, online, mobile and emerging channels with personalized experiences regardless of which channel those buyers choose. The Company's decades of data science and AI expertise are infused into its solutions and are designed to reduce time and complexity through actionable intelligence.

The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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