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Goodwill and Intangible Assets, Net - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Aug. 15, 2025	Feb. 10, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 181,710,000		$ 181,710,000				$ 154,211,000
Amortization	4,800,000	$ 4,400,000	14,000,000.0	$ 13,800,000
Impairment of long-lived assets	0	$ 0	0	0
Alarm.com
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 178,611,000		$ 178,611,000				$ 154,211,000
Intangible assets written off				$ 300,000
CHeKT, Inc
Finite-Lived Intangible Assets [Line Items]
Percentage of business acquired	81.00%		81.00%			81.00%
Goodwill						$ 23,579,000
BTR
Finite-Lived Intangible Assets [Line Items]
Percentage of business acquired					100.00%
Goodwill					$ 3,000,000.0

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