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INTANGIBLE ASSETS, NET (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Dec. 31, 2014
Finite Lived Intangible Assets [Line Items]    
Total $ 24,167 $ 24,907
Tradenames [Member]    
Finite Lived Intangible Assets [Line Items]    
Total 14,386 14,427
Accumulated amortization $ 128 86
Estimated useful life 6 years  
Referral relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Total $ 8,460 8,951
Accumulated amortization $ 3,100 2,610
Referral relationships [Member] | Minimum [Member]    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life 6 years  
Referral relationships [Member] | Maximum [Member]    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life 16 years  
Non-compete agreements [Member]    
Finite Lived Intangible Assets [Line Items]    
Total $ 1,321 1,529
Accumulated amortization $ 2,585 $ 2,377
Non-compete agreements [Member] | Minimum [Member]    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life 5 years  
Non-compete agreements [Member] | Maximum [Member]    
Finite Lived Intangible Assets [Line Items]    
Estimated useful life 6 years