Long-Term Debt and Interest Rate Swap (Narrative) (Details)		6 Months Ended
	Feb. 26, 2016 USD ($) center	Jun. 30, 2016 USD ($) letter_of_credit	Dec. 31, 2015 USD ($)
Line of Credit Facility [Line Items]
Accumulated other comprehensive loss		$ (616,000)	$ (387,000)
Interest rate swap
Line of Credit Facility [Line Items]
Annual fixed rate percentage		5.79%
Interest rate swap | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent
Line of Credit Facility [Line Items]
Accumulated other comprehensive loss		$ (737,180)
Income tax benefit		(451,820)
Interest rate swap | Other Noncurrent Liabilities | Fair Value, Inputs, Level 2
Line of Credit Facility [Line Items]
Net liability based on interest rate swap valuation model		$ 1,189,000
Credit Agreement | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Borrowing capacity	$ 100,000,000
Mortgage Loan | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Borrowing capacity	$ 72,500,000
Term of agreements	5 years
Period of amortization		25 years
Debt interest rate at period end	5.79%	4.46%
Number of owned nursing centers to secure Amended Mortgage Loan | center	17
Amended mortgage loan balance		$ 59,597,000
Mortgage Loan | Amended and Restated Credit Agreement | Interest rate swap | Designated as Hedging Instrument
Line of Credit Facility [Line Items]
Notional amount of interest rate derivatives	$ 30,000,000
Revolving credit facility | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Borrowing capacity	27,500,000
Loan acquisition costs	$ 1,812,000
Term of agreements		5 years
Borrowings outstanding		$ 5,500,000	$ 12,900,000
Balance available for borrowing under revolving credit center		10,824,000
Revolving credit facility | Amended and Restated Credit Agreement | LIBOR
Line of Credit Facility [Line Items]
Interest rate percentage	4.00%
Letter of Credit | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Borrowings outstanding		$ 7,868,000
Annual fees for letters of credit issued under Revolver (as a percentage)		3.00%
Number of letters of credit | letter_of_credit		10
Term loan facility | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Borrowing capacity	$ 60,000,000
Term loan facility | Amended and Restated Credit Agreement | LIBOR
Line of Credit Facility [Line Items]
Interest rate percentage	4.00%
Acquisition loan facility | Amended and Restated Credit Agreement
Line of Credit Facility [Line Items]
Borrowing capacity	$ 12,500,000
Acquisition loan facility | Amended and Restated Credit Agreement | LIBOR
Line of Credit Facility [Line Items]
Interest rate percentage	4.75%