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Business Combinations - Textual (Details) |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
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Jan. 01, 2022 USD ($) | Jun. 01, 2021 USD ($) location | Jul. 31, 2019 USD ($) location bed | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Nov. 30, 2021 | Jul. 31, 2021 bed | Jun. 30, 2021 bed | Apr. 30, 2021 bed | May 31, 2020 USD ($) bed | Jan. 31, 2020 bed | Sep. 30, 2019 bed | Mar. 31, 2019 location
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on consolidation of joint venture formerly accounted for under the equity method of accounting |  |  |  | $ 0 | $ 0 | $ 19,200,000 |  |  |  |  |  |  |  |
Home Health and Hospice | Alacare |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of equity interest prior to acquisition |  |  | $ 217,800,000 |  |  |  |  |  |  |  |  |  |  |
Home Health and Hospice | Care Resource Group |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations | location |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Home Health and Hospice | Home health | Alacare |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations |  |  | 23 |  |  |  |  |  |  |  |  |  |  |
Home Health and Hospice | Hospice | Alacare |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations | location |  |  | 23 |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Inpatient Rehabilitation | Shannon Medical |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  |  |  |  |  |  |  |  | 51.00% |  |  |  |
Number of beds acquired | bed |  |  |  |  |  |  |  |  |  | 14 |  |  |  |
Corporate Joint Venture | Inpatient Rehabilitation | Heritage Valley |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  |  |  |  |  |  |  | 75.00% |  |  |  | 75.00% |
Number of beds acquired | bed |  |  |  |  |  |  |  |  | 16 |  |  |  | 11 |
Corporate Joint Venture | Inpatient Rehabilitation | ECHD Ventures |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  |  |  |  |  |  | 65.00% |  |  |  |  |  |
Number of beds acquired | bed |  |  |  |  |  |  |  | 22 |  |  |  |  |  |
Corporate Joint Venture | Inpatient Rehabilitation | Shannon Medical, Heritage Valley & ECHD Ventures |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill expected to be tax-deductible |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Inpatient Rehabilitation | Portercare Adventist |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  |  | 68.00% |  |
Number of beds acquired | bed |  |  |  |  |  |  |  |  |  |  |  | 13 |  |
Number of beds contributed | bed |  |  |  |  |  |  |  |  |  |  |  | 40 |  |
Number of beds expanded | bed |  |  |  |  |  |  |  |  |  |  |  | 20 |  |
Corporate Joint Venture | Inpatient Rehabilitation | Premier Health Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  | 51.00% |  |  |
Number of beds acquired | bed |  |  |  |  |  |  |  |  |  |  | 45 |  |  |
Number of de novo beds | bed |  |  |  |  |  |  |  |  |  |  | 60 |  |  |
Corporate Joint Venture | Inpatient Rehabilitation | Portercare Adventist and Premier Health Partners |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill expected to be tax-deductible |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |
Corporate Joint Venture | Inpatient Rehabilitation | Saint Alphonsus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  | 51.00% |  |  |  |  |  |  |  |  |  |  |
Number of beds acquired | bed |  |  | 30 |  |  |  |  |  |  |  |  |  |  |
Number of de novo beds | location |  |  | 40 |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Home Health and Hospice |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of equity interest prior to acquisition |  | $ 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Home Health and Hospice | Heart of the Rockies Home Health |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Home Health and Hospice | Hospice of Southwest Montana |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, additional ownership percentage |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Home Health and Hospice | Home health | Frontier Home Health And Hospice |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations | location |  | 9 |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Home Health and Hospice | Hospice | Frontier Home Health And Hospice |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of locations | location |  | 11 |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Other Home Health and Hospice Acquisitions | Saint Alphonsus | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Escrow agent cost | $ 15,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Other Home Health and Hospice Acquisitions | Baptist Outpatient Services, Inc |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business acquisition percentage of voting interests acquired |  |  |  | 29.00% |  |  |  |  |  |  |  |  |  |
Goodwill expected to be tax-deductible |  |  |  | $ 3,900,000 |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 80.00% |  |  | 51.00% |  |  |  |  |  |  |
Goodwill increase |  |  |  | $ 8,000,000 |  |  |  |  |  |  |  |  |  |
Gain on consolidation of joint venture formerly accounted for under the equity method of accounting |  |  |  | $ 3,200,000 |  |  |  |  |  |  |  |  |  |

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- Definition Number of hospital beds acquired as part of a facility acquisition. + References No definition available. + Details
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- Definition The number of locations acquired as part of a facility acquisition. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
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