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Organization and Basis of Presentation (Details) $ in Thousands | Mar. 31, 2016 USD ($) country office state | Dec. 31, 2015 USD ($)
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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 | $ | $ 6,962 | $ 7,024
United States [Member] |  |
Organization And Basis Of Presentation [Line Items] |  |
Number of Stores | office | 82 |
Number of states in which an entity operates | state | 24 |

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