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Variable Interest Entity (Details Textual) (USD $)
In Thousands, unless otherwise specified
 0 Months Ended 12 Months Ended
Mar. 27, 2014
Dec. 31, 2014
Dec. 28, 2011
Bed
Variable Interest Entity, Not Primary Beneficiary [Abstract]      
Number of licensed nursing beds   5,825avca_NumberOfLicensedNursingBeds  
Rose Terrace Nursing Center      
Variable Interest Entity, Not Primary Beneficiary [Abstract]      
Purchase Price $ 7,693us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= avca_RoseTerraceNursingCenterMember		    
Minimum      
Variable Interest Entity, Not Primary Beneficiary [Abstract]      
Agreement provides company right to purchase   110.00%avca_LeaseAgreementProvidesCompanyRightToPurchase
/ us-gaap_RangeAxis
= us-gaap_MinimumMember		  
Maximum      
Variable Interest Entity, Not Primary Beneficiary [Abstract]      
Agreement provides company right to purchase   120.00%avca_LeaseAgreementProvidesCompanyRightToPurchase
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		  
Variable Interest Entity, Not Primary Beneficiary | Culloden, WV      
Variable Interest Entity, Not Primary Beneficiary [Abstract]      
Number of licensed nursing beds     90avca_NumberOfLicensedNursingBeds
/ dei_EntityByLocationAxis
= avca_CullodenWestVirginiaMember
/ us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis
= us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember