Business Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Total revenue	$ 713,445	$ 627,253
Segment income (loss)	66,226	62,346
Gain (loss) on sale of real estate		440
Income before provision for income taxes	66,226	62,786
Depreciation and amortization	14,676	13,659
Interest expense	2,068	1,641
Service revenue
Segment Reporting Information [Line Items]
Total revenue	709,156	623,276
Rental revenue
Segment Reporting Information [Line Items]
Total revenue	4,289	3,977
Operating Segments | Skilled Services
Segment Reporting Information [Line Items]
Total revenue	686,771	601,036
Segment income (loss)	98,256	88,931
Depreciation and amortization	7,901	7,475
Interest expense	0	0
Operating Segments | Skilled Services | Service revenue
Segment Reporting Information [Line Items]
Total revenue	686,771	601,036
Operating Segments | Skilled Services | Rental revenue
Segment Reporting Information [Line Items]
Total revenue	0	0
Operating Segments | Standard Bearer
Segment Reporting Information [Line Items]
Total revenue	17,193	14,069
Segment income (loss)	6,900	7,713
Depreciation and amortization	5,021	4,155
Interest expense	3,562	1,641
Operating Segments | Standard Bearer | Service revenue
Segment Reporting Information [Line Items]
Total revenue	0	0
Operating Segments | Standard Bearer | Rental revenue
Segment Reporting Information [Line Items]
Total revenue	17,193	14,069
Operating Segments | All Other
Segment Reporting Information [Line Items]
Total revenue	27,330	25,729
Segment income (loss)	(38,930)	(34,298)
Depreciation and amortization	1,754	2,029
Interest expense	358	0
Operating Segments | All Other | Service revenue
Segment Reporting Information [Line Items]
Total revenue	25,467	23,919
Operating Segments | All Other | Rental revenue
Segment Reporting Information [Line Items]
Total revenue	1,863	1,810
Intercompany Elimination
Segment Reporting Information [Line Items]
Total revenue	(17,849)	(13,581)
Segment income (loss)	0	0
Depreciation and amortization	0	0
Interest expense	(1,852)	0
Intercompany Elimination | Service revenue
Segment Reporting Information [Line Items]
Total revenue	(3,082)	(1,679)
Intercompany Elimination | Rental revenue
Segment Reporting Information [Line Items]
Total revenue	$ (14,767)	$ (11,902)