Concentration Of Risk (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020 USD ($) item	Dec. 31, 2019 USD ($)
Concentration Risk [Line Items]
Accounts payable \| $	$ 37,838	$ 51,101
VITAS [Member]
Concentration Risk [Line Items]
Number of service providers \| item	1
Medicare [Member] \| Accounts Receivable [Member] \| VITAS [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	70.00%	71.00%
Medicaid [Member] \| Accounts Receivable [Member] \| VITAS [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	25.00%	24.00%
Medicare And Medicaid [Member] \| Accounts Receivable [Member] \| VITAS [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	75.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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