Significant Accounting Policies (Narrative) (Details)			12 Months Ended
	Oct. 01, 2017	Mar. 01, 2013	Dec. 31, 2021 USD ($) segment item shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | segment			3
Net service revenues			$ 864,499,000	$ 764,775,000	$ 648,791,000
Contract with customer liability			300,000	1,800,000
Aggregate market cap			31,297.61
Goodwill impairment charge			0	0	0
Goodwill			504,392,000	469,072,000	275,368,000
Impairment of finite-lived intangible assets			0	0	0
Intangibles, net of accumulated amortization			64,321,000	71,549,000
Deductible component of workers' compensation			400,000
Letters of credit secure compensation program			8,200,000	9,000,000.0
Accrued workers’ compensation insurance			12,998,000	13,759,000
Workers' compensation insurance recovery receivables			$ 1,559,000	1,860,000
Number of stock incentive plans | item			1
Stock-based compensation expense			$ 9,400,000	6,000,000.0	5,800,000
Stock Options [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock-based compensation expense			$ 1,400,000	$ 2,000,000.0	$ 2,500,000
Number of stock options included in calculation | shares			493,000	506,000	648,000
Number of dilutive shares outstanding | shares			282,000	304,000	346,000
Restricted Stock [Member]
Summary Of Significant Accounting Policies [Line Items]
Stock-based compensation expense			$ 8,000,000.0	$ 4,000,000.0	$ 3,300,000
Number of dilutive shares outstanding | shares			44,000	57,000	86,000
Shares of restricted stock awards included in calculation | shares			159,000	154,000	149,000
Personal Care [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues			$ 685,854,000	$ 647,233,000	$ 580,728,000
Percent of fair value of reporting unit excess of carrying value			100.00%
Goodwill			$ 152,688,000	152,448,000	126,577,000
Home Health [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues			$ 26,392,000	16,245,000	14,462,000
Percent of fair value of reporting unit excess of carrying value			100.00%
Goodwill			$ 23,370,000	1,791,000	1,808,000
Hospice [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues			$ 152,253,000	101,297,000	53,601,000
Percent of fair value of reporting unit excess of carrying value			20.00%
Goodwill			$ 328,334,000	314,833,000	146,983,000
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
Percent of fair value of reporting unit excess of carrying value			1.50%
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			$ 0		0
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 doubtful accounts			1,400,000	1,000,000.0
Accounting Standards Update 2014-09 [Member] | Adjustments in Prior Year | Subsequent Changes [Member]
Summary Of Significant Accounting Policies [Line Items]
Net service revenues			$ 5,700,000	$ 4,300,000
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
2013 Home Health Business [Member]
Summary Of Significant Accounting Policies [Line Items]
Equity ownership percentage sold in joint venture	10.00%	90.00%
Settlement expense in discontinued operation					$ 600,000