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Long-Term Debt and Interest Rate Swap (Details)
3 Months Ended
Feb. 26, 2016
USD ($)
Center
Mar. 31, 2016
USD ($)
Letter_Of_Credit
Dec. 31, 2015
USD ($)
Line of Credit Facility [Line Items]      
Accumulated other comprehensive loss   $ 554,000 $ 387,000
Interest rate swap      
Line of Credit Facility [Line Items]      
Long-term debt fixed based on the interest rate swap   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   $ 608,000  
Income tax benefit   (372,000)  
Interest rate swap | Other Noncurrent Liabilities      
Line of Credit Facility [Line Items]      
Liability at fair value   $ (980,000)  
Credit Agreement | Amended and Restated Credit Agreement      
Line of Credit Facility [Line Items]      
Revolving credit facility and the maximum loan $ 100,000,000    
Mortgage Loan | Amended and Restated Credit Agreement      
Line of Credit Facility [Line Items]      
Revolving credit facility and the maximum loan $ 72,500,000    
Term of agreements   5 years  
Mortgage loan with principal and interest payable monthly based   25 years  
Debt interest rate at period end 5.79%    
Number of owned nursing centers secured | Center 17    
Amended mortgage loan balance   $ 60,000,000  
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    
Mortgage Loan | Amended and Restated Credit Agreement | LIBOR      
Line of Credit Facility [Line Items]      
Interest rate percentage 4.00%    
Revolving credit facility | Amended and Restated Credit Agreement      
Line of Credit Facility [Line Items]      
Revolving credit facility and the maximum loan $ 27,500,000    
Loan acquisition costs 1,812,000    
Term of agreements   5 years  
Debt interest rate at period end   4.44%  
Borrowings outstanding   $ 5,000,000 $ 12,900,000
Borrowing under the revolving credit facility   12,247,000  
Letter of Credit | Amended and Restated Credit Agreement      
Line of Credit Facility [Line Items]      
Borrowings outstanding   $ 8,106,000  
Letters of credit issued under Revolver outstanding   3.00%  
Number of letters of credit | Letter_Of_Credit   11  
Term loan facility | Amended and Restated Credit Agreement      
Line of Credit Facility [Line Items]      
Revolving credit facility and the maximum loan $ 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]      
Revolving credit facility and the maximum loan $ 12,500,000    
Acquisition loan facility | Amended and Restated Credit Agreement | LIBOR      
Line of Credit Facility [Line Items]      
Interest rate percentage 4.75%