Organization and Nature of Business	12 Months Ended
	Jun. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization and Nature of Business	Organization and Nature of Business        Bottomline Technologies (de), Inc. is a Delaware corporation that helps make complex business payments simple, smart, and secure. We provide solutions that are helping to accelerate the digital transformation of business payments. Corporations and banks rely on us for domestic and international payments, efficient cash management, automated workflows for payment processing and bill review, and fraud detection, behavioral analytics and regulatory compliance solutions. The majority of our revenues are derived from offerings sold as SaaS-based solutions and paid for on a subscription and transaction basis. Our products and services are sold to customers operating in many different industries throughout the world, but principally in the U.S., United Kingdom (UK) and continental Europe regions.