Acquisitions - Purchase Price Allocation (Details) - USD ($) $ in Thousands				3 Months Ended	12 Months Ended
	May 11, 2022	Sep. 22, 2021	Sep. 14, 2021	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill					$ 785,554	$ 968,654		$ 924,787
Current operating lease assets					39,776	39,405
Present value of minimum lease payments					42,511	$ 41,728
Adjustment to property and equipment					(100)
CareFinders Total Care
Business Acquisition [Line Items]
Cash			$ 11,424
Accounts receivable			14,708
Prepaid expenses and other			2,625
Property and equipment			2,527
Inventories			231
Intangible assets			100,750
Operating right of use asset			1,939
Goodwill			232,103
Other assets			226
Accounts payable and accrued liabilities			(2,500)				$ (2,720)
Accrued expense			(14,344)
Operating lease liabilities			(1,939)
Deferred tax liabilities			(2,327)				(2,600)
Other liabilities			(378)
Total of assets acquired and liabilities assumed			344,825
Current operating lease assets			1,900
Present value of minimum lease payments			$ 1,900
Useful Life			6 years 10 months 24 days
Goodwill, period increase (decrease)				$ (100)
Business combination, indemnification assets, amount as of acquisition date			$ 200
Increase (decrease) in accounts payable				(200)
Deferred tax liabilities, decreased amount							300
CareFinders Total Care | Pro Forma
Business Acquisition [Line Items]
Goodwill			$ 232,200
VRI Intermediate Holdings, LLC
Business Acquisition [Line Items]
Cash		$ 2,922
Accounts receivable		6,800
Prepaid expenses and other		805
Property and equipment		14,908
Inventories		1,684
Intangible assets		75,590
Goodwill		236,700					$ 236,317
Accounts payable and accrued liabilities		(1,884)
Accrued expense		(2,487)
Deferred revenue		(67)
Deferred tax liabilities		(17,070)		(17,500)
Total of assets acquired and liabilities assumed		$ 317,518
Useful Life		6 years 9 months 18 days
Goodwill, period increase (decrease)				(400)
Deferred tax liabilities, decreased amount				$ 400
VRI Intermediate Holdings, LLC | Personal Emergency Response System Devices, Computer Equipment and Other Equipment
Business Acquisition [Line Items]
Property and equipment		$ 12,700
Guardian Medical Monitoring
Business Acquisition [Line Items]
Cash	$ 300				391
Accounts receivable	3,000				2,355
Prepaid expenses and other	771
Property and equipment	2,700				2,639
Intangible assets	21,950
Goodwill					44,346
Accounts payable and accrued liabilities	(281)
Accrued expense	(577)
Total of assets acquired and liabilities assumed	$ 71,594
Useful Life	6 years 10 months 24 days
Business combination, provisional information, initial accounting incomplete, adjustment, cash					100
Initial accounts receivable balance deemed uncollectable					(600)
Adjustment to property and equipment					(100)
Adjustment to accounts receivable					$ (600)
Guardian Medical Monitoring | Pro Forma
Business Acquisition [Line Items]
Goodwill	$ 43,700