Description of Business and Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) institution segment shares	Dec. 31, 2023 USD ($) institution shares	Dec. 31, 2022 USD ($)	Jun. 18, 2024 shares	Jun. 17, 2024 shares
Schedule of Accounting Policies [Line Items]
Number of reportable segments | segment	2
Marketable securities	$ 75,640,000	$ 93,131,000
Unrealized gains (losses) from marketable securities	$ (500,000)	1,600,000	$ (7,500,000)
Inventory supplies amortization period	24 months
Depreciation	$ 11,900,000	10,500,000	10,500,000
Impairment of long-lived assets	$ 0	$ 0	0
Common stock, authorized (in shares) | shares	200,000,000	100,000,000		200,000,000	100,000,000
Number of financial institutions holding cash and cash equivalents and marketable securities | institution	2	2
Revenue	$ 1,715,682,000	$ 1,671,389,000	1,690,176,000
Accounts receivable	330,907,000	344,864,000	308,624,000
Notes receivable	$ 41,054,000	$ 24,832,000	$ 32,609,000
Services provided
Schedule of Accounting Policies [Line Items]
Payment terms	The Company’s payment terms with customers for services provided are defined within each customer’s service agreement and range from prepaid to 120 days.
Promissory notes
Schedule of Accounting Policies [Line Items]
Payment terms	The Company’s payment terms with customers on promissory notes can vary based on several factors and the circumstances of each promissory note, however most promissory notes mature over 1 to 4 years. Similar to accounts receivable, each reporting period the Company evaluates the collectability of outstanding notes receivable balances and records an allowance for doubtful accounts representing an estimate of future expected credit losses.
Sysco | Products and other items | Vendor
Schedule of Accounting Policies [Line Items]
Concentration percentage	50.00%
Genesis
Schedule of Accounting Policies [Line Items]
Accounts receivable	$ 46,100,000
Notes receivable	$ 21,900,000
Genesis | Consolidated revenues | Significant Customers
Schedule of Accounting Policies [Line Items]
Concentration percentage	8.70%	10.90%	10.00%
Revenue	$ 148,900,000	$ 181,400,000	$ 169,100,000
Health Care Consulting Company
Schedule of Accounting Policies [Line Items]
Equity method investments	$ 2,800,000
Equity method investment, ownership percentage	25.00%
Computer hardware and software
Schedule of Accounting Policies [Line Items]
Property plant and equipment, useful life	5 years
Minimum
Schedule of Accounting Policies [Line Items]
Cancellation notice period	30 days
Initial period preceding cancellation notice	60 days
Minimum | Housekeeping and Dietary equipment
Schedule of Accounting Policies [Line Items]
Property plant and equipment, useful life	3 years
Minimum | Vehicles
Schedule of Accounting Policies [Line Items]
Property plant and equipment, useful life	5 years
Maximum
Schedule of Accounting Policies [Line Items]
Cancellation notice period	90 days
Initial period preceding cancellation notice	120 days
Maximum | Housekeeping and Dietary equipment
Schedule of Accounting Policies [Line Items]
Property plant and equipment, useful life	5 years
Maximum | Vehicles
Schedule of Accounting Policies [Line Items]
Property plant and equipment, useful life	10 years