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Business Segments (Details)
3 Months Ended
Mar. 31, 2015
Segments
facilities
Dec. 31, 2014
facilities
Segment Reporting Information [Line Items]    
Number of Reportable Segments 2us-gaap_NumberOfReportableSegments  
Number of Real Estate Properties Operated   136ensg_NumberOfRealEstatePropertiesOperated
Long-term Care Segment [Member]    
Segment Reporting Information [Line Items]    
Number of Real Estate Properties Operated 143ensg_NumberOfRealEstatePropertiesOperated
/ us-gaap_StatementBusinessSegmentsAxis
= ensg_LongtermCareSegmentMember
 
Home Health and Hospice Segment [Member]    
Segment Reporting Information [Line Items]    
Business operated 25ensg_Businessoperated
/ us-gaap_StatementBusinessSegmentsAxis
= ensg_HomeHealthandHospiceSegmentMember
 
All Other [Member]    
Segment Reporting Information [Line Items]    
Noncontrolling Interest, Ownership Percentage by Parent 80.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_StatementBusinessSegmentsAxis
= ensg_AllOtherMember