Public Offering (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Oct. 01, 2019	Sep. 09, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class Of Stock [Line Items]
Common stock, par value			$ 0.001	$ 0.001
Proceeds from issuance of common stock, net of issuance costs					$ 172,945
Business acquisition purchase price			$ 37,370	$ 207,660	184,076
Increase to additional paid in capital from public offering					$ 172,945
Hospice Partners of America, LLC [Member]
Class Of Stock [Line Items]
Business acquisition purchase price	$ 130,000
Common Stock [Member]
Class Of Stock [Line Items]
Shares issued during period		2,300,000			2,300,000
Common stock, par value		$ 0.001
Public offering price, per share		$ 79.50
Proceeds from issuance of common stock, net of issuance costs		$ 172,900
Underwriting discounts and estimated offering expenses		$ 9,900
Increase to additional paid in capital from public offering					$ 2
Additional Paid-in Capital [Member]
Class Of Stock [Line Items]
Increase to additional paid in capital from public offering					$ 172,943
Over-Allotment Option [Member] | Common Stock [Member]
Class Of Stock [Line Items]
Shares issued during period		300,000