Income Taxes - Significant Components of Federal and State Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Allowance for doubtful accounts	$ 18,139	$ 16,124
Deferred compensation	8,686	9,587
Deferred payroll taxes under the CARES Act	0	6,220
Accrued insurance claims	5,609	6,252
Non-deductible reserves	256	521
Leases	227	247
Other	2,488	1,854
Deferred tax assets	35,405	40,805
Deferred tax liabilities:
Expensing of housekeeping supplies	(2,510)	(3,085)
Amortization of goodwill and intangibles	(2,389)	(2,118)
Depreciation of property and equipment	(1,769)	(1,915)
Other	(399)	(2,152)
Deferred tax liabilities	(7,067)	(9,270)
Net deferred tax assets	$ 28,338	$ 31,535