Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) Item Segment shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Jun. 30, 2022
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | Segment	3
Net service revenues	$ 951,120,000	$ 864,499,000	$ 764,775,000
Contract with customer liability	900,000	300,000
Aggregate market cap	32,486.92
Goodwill impairment charge	0	0	0
Goodwill	582,837,000	504,392,000	469,072,000
Impairment of finite-lived intangible assets	0	0	0
Intangibles, net of accumulated amortization	72,188,000	64,321,000
Deductible component of workers' compensation	400,000
Letters of credit secure compensation program	8,200,000	8,200,000
Accrued workers’ compensation insurance	12,897,000	12,998,000
Workers' compensation insurance recovery receivables	$ 666,000	1,559,000
Number of stock incentive plans | Item	1
Stock-based compensation expense	$ 10,600,000	9,400,000	6,000,000.0
Stock Options [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock-based compensation expense	$ 1,200,000	$ 1,400,000	$ 2,000,000.0
Number of stock options included in calculation | shares	468,000	493,000	506,000
Number of dilutive shares outstanding | shares	248,000	282,000	304,000
Restricted Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock-based compensation expense	$ 9,400,000	$ 8,000,000.0	$ 4,000,000.0
Number of dilutive shares outstanding | shares	72,000	44,000	57,000
Shares of restricted stock awards included in calculation | shares	209,000	159,000	154,000
Personal Care [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues	$ 706,507,000	$ 685,854,000	$ 647,233,000
Percent of fair value of reporting unit excess of carrying value	100.00%	100.00%
Goodwill	$ 152,688,000	$ 152,688,000	152,448,000
Home Health [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues	$ 42,841,000	26,392,000	16,245,000
Percent of fair value of reporting unit excess of carrying value	75.00%
Goodwill	$ 32,421,000	23,370,000	1,791,000
Hospice [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues	$ 201,772,000	152,253,000	101,297,000
Percent of fair value of reporting unit excess of carrying value	67.00%			67.00%
Goodwill	$ 397,728,000	328,334,000	314,833,000
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Leases termination and renewal option	1 year
Intangible assets, estimated useful lives	1 year
Minimum [Member] | Customer and Referral Relationships [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, estimated useful lives	5 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Leases termination and renewal option	5 years
Intangible assets, estimated useful lives	25 years
Maximum [Member] | Customer and Referral Relationships [Member]
Summary Of Significant Accounting Policies [Line Items]
Intangible assets, estimated useful lives	10 years
General and Administrative Expenses [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating lease asset, impairment	$ 1,200,000
General and Administrative Expenses [Member] | Certain Support Center Office Space [Member]
Summary Of Significant Accounting Policies [Line Items]
Operating lease asset, impairment			$ 1,000,000.0
Accounting Standards Update 2014-09 [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable, allowance for credit losses	1,600,000	1,400,000
Accounting Standards Update 2014-09 [Member] | Adjustments in Prior Year | Subsequent Changes [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues	$ 8,800,000	$ 5,700,000
Accounting Standards Update 2019-12
Summary Of Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, immaterial effect	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2021
Accounting Standards Update 2021-10 [Member]
Summary Of Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, immaterial effect	true
Change in accounting principle, accounting standards update, adoption date	Jan. 01, 2022