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Basis of presentation and significant accounting policies - Narrative (Details)	1 Months Ended	12 Months Ended
	May 31, 2023 USD ($)	Dec. 31, 2025 USD ($) carrier office_lease	Dec. 31, 2024 USD ($) office_lease	Dec. 31, 2023 USD ($) office_lease
Concentration Risk [Line Items]
Restricted cash		$ 3,547,000	$ 3,693,000	$ 2,091,000
Interest income		$ 2,900,000	1,600,000	0
Carriers company wrote with \| carrier		200
Carriers company wrote with, provide national coverage \| carrier		76
Term of franchise contract		10 years
Interest related to franchise fee		$ 700,000	900,000	1,400,000
Cash consideration paid for asset acquisitions		$ 4,922,000	$ 0	$ 6,895,000
Number of office leases \| office_lease		3	1	2
Impairment of property and equipment		$ 1,600,000	$ 100,000	$ 1,400,000
Impairment of right-of-use-asset		3,100,000	200,000	1,100,000
Impairment expense		4,694,000	347,000	3,628,000
Advertising expense		$ 1,300,000	1,000,000.0	900,000
Vivint Smart Home's
Concentration Risk [Line Items]
Cash consideration paid for asset acquisitions	$ 5,800,000
Web domain
Concentration Risk [Line Items]
Weighted average amortization period (years)		15 years
Software costs \| Minimum
Concentration Risk [Line Items]
Weighted average amortization period (years)		3 years
Software costs \| Maximum
Concentration Risk [Line Items]
Weighted average amortization period (years)		10 years
Software Development
Concentration Risk [Line Items]
Impairment expense				$ 1,100,000
Book Of Business
Concentration Risk [Line Items]
Weighted average amortization period (years)		8 years
Books of business		$ 4,900,000	$ 0
Furniture, fixtures, and equipment
Concentration Risk [Line Items]
Property, plant and equipment, useful life		5 years
Computer equipment
Concentration Risk [Line Items]
Property, plant and equipment, useful life		3 years
Royalty fees
Concentration Risk [Line Items]
Allowance for doubtful accounts		$ 0
Carrier One \| Total revenue \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage		19.00%	19.00%	16.00%
Carrier Two \| Total revenue \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage		13.00%	15.00%	12.00%
Carrier Three \| Total revenue \| Customer Concentration Risk
Concentration Risk [Line Items]
Concentration risk percentage			10.00%