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Organization and Basis of Presentation (Details)
$ in Thousands
Sep. 30, 2016
USD ($)
country
office
state
Dec. 31, 2015
USD ($)
Organization And Basis Of Presentation [Line Items]    
Number of foreign jurisdiction | country 5  
Percentage of controlling interest owned by the company in OMHHF 83.68%  
Noncontrolling interest | $ $ 2,516 $ 7,024
United States [Member]    
Organization And Basis Of Presentation [Line Items]    
Number of Stores | office 92  
Number of states in which an entity operates | state 24