Organization	12 Months Ended
	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	OrganizationAlarm.com Holdings, Inc. (referred to herein as Alarm.com, the Company, or we) is the leading platform for the intelligently connected property. Our cloud-based platform offers an expansive suite of Internet of Things, or IoT, solutions that address opportunities in the residential, multi-family, small business and enterprise commercial markets. Alarm.com’s solutions include security, video and video analytics, energy management, access control, electric utility grid management, indoor gunshot detection, water management, health and wellness and data-rich emergency response. As of December 31, 2022, 9.1 million homes and businesses around the world depend on our Alarm.com platform or our non-hosted software to intelligently and conveniently secure, automate and manage their properties. Our solutions are delivered through an established network of trusted service provider partners, who are experts at selling, installing and supporting our solutions. The number of our service provider partners exceeded 11,000 as of December 31, 2022. We derive revenue from the sale of our cloud-based Software-as-a-Service, or SaaS, services, license fees, software, hardware, activation fees and other revenue. Our fiscal year ends on December 31.