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Long-Term Debt (Narrative) (Details) - USD ($)
1 Months Ended 12 Months Ended
Aug. 01, 2021
Jul. 30, 2021
Dec. 04, 2020
Sep. 12, 2019
Oct. 31, 2018
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]                
Borrowings on revolver — credit facility           $ 46,395,000 $ 135,000,000 $ 23,458,000
Long term debt refinanced amount           18,130,000 735,000 $ 735,000
Debt issuance costs           3,941,000 1,716,000  
Capital One, National Association [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Line of credit outstanding amount   $ 0            
Revolving Credit Loan [Member] | Capital One, National Association [Member]                
Debt Instrument [Line Items]                
Maximum aggregate loan amount available           600,000,000.0    
Revolving Credit Loan [Member] | Capital One, National Association [Member] | Minimum [Member]                
Debt Instrument [Line Items]                
Revolving credit facility maturity term   May 08, 2023            
Revolving Credit Loan [Member] | Capital One, National Association [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Revolving credit facility maturity term   Jul. 30, 2026            
Credit Agreement [Member]                
Debt Instrument [Line Items]                
Long term debt refinanced amount   $ 17,400,000            
Credit Agreement [Member] | Capital One, National Association [Member]                
Debt Instrument [Line Items]                
Maximum aggregate loan amount available         $ 269,600,000 143,600,000 112,600,000  
Debt instrument, maturity date         May 08, 2023      
Debt instrument total net leverage ratio         4.25%      
Line of credit outstanding amount           376,600,000 9,000,000.0  
Credit Agreement [Member] | Capital One, National Association [Member] | Delayed Draw Term Loan [Member]                
Debt Instrument [Line Items]                
Maximum aggregate loan amount available         $ 19,600,000      
Credit Agreement [Member] | Capital One, National Association [Member] | Term Loan [Member]                
Debt Instrument [Line Items]                
Line of credit outstanding amount           8,200,000 $ 18,100,000  
Debt instrument stated interest rate             1.90%  
Credit Agreement [Member] | Capital One, National Association [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Debt instrument total net leverage ratio         3.75%      
Credit Agreement [Member] | Capital One, National Association [Member] | Federal Funds Rate [Member]                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         0.50%      
Credit Agreement [Member] | Capital One, National Association [Member] | London Interbank Offered Rate (LIBOR)                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         1.00%      
Credit Agreement [Member] | Capital One, National Association [Member] | London Interbank Offered Rate (LIBOR) | Minimum [Member]                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         0.00%      
Credit Agreement [Member] | Capital One, National Association [Member] | Based On Applicable Senior Leverage Ratio | Minimum [Member]                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         0.75%      
Credit Agreement [Member] | Capital One, National Association [Member] | Based On Applicable Senior Leverage Ratio | Maximum [Member]                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         1.50%      
Credit Agreement [Member] | Capital One, National Association [Member] | Based On Applicable Leverage Ratio [Member] | Minimum [Member]                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         1.75%      
Credit Agreement [Member] | Capital One, National Association [Member] | Based On Applicable Leverage Ratio [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Debt instrument variable interest rate margin         2.50%      
Credit Agreement [Member] | Capital One, National Association [Member] | Restriction on Dividends [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Aggregate amount of dividends and distributions           7,500,000    
Credit Agreement [Member] | Revolving Credit Loan [Member] | Capital One, National Association [Member]                
Debt Instrument [Line Items]                
Maximum aggregate loan amount available       $ 300,000,000.0 $ 250,000,000.0      
Increase in credit facility       50,000,000.0        
Borrowings on revolver — credit facility       $ 50,000,000.0        
Line of credit outstanding amount           $ 224,900,000 $ 178,500,000  
Debt instrument stated interest rate           2.10% 2.10%  
Credit Agreement [Member] | Revolving Credit Loan [Member] | Capital One, National Association [Member] | Armada Skilled Homecare [Member]                
Debt Instrument [Line Items]                
Proceeds from line of credit $ 29,000,000.0              
Credit Agreement [Member] | Revolving Credit Loan [Member] | Capital One, National Association [Member] | Queen City Hospice [Member]                
Debt Instrument [Line Items]                
Proceeds from line of credit     $ 135,000,000.0          
Credit Agreement [Member] | Revolving Credit Loan [Member] | Capital One, National Association [Member] | Minimum [Member]                
Debt Instrument [Line Items]                
Fee charged on unused portion of revolving credit facility           0.20%    
Credit Agreement [Member] | Revolving Credit Loan [Member] | Capital One, National Association [Member] | Maximum [Member]                
Debt Instrument [Line Items]                
Fee charged on unused portion of revolving credit facility           0.35%    
Second Amendment Credit Agreement | Revolving Credit Loan [Member] | Capital One, National Association [Member]                
Debt Instrument [Line Items]                
Maximum aggregate loan amount available   125,000,000.0            
Debt issuance costs   $ 3,000,000.0