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Organization, Nature of Operations and Basis of Presentation (Details)	12 Months Ended
	Dec. 31, 2015 Clinic State Facility	Dec. 31, 2014 Clinic	Dec. 31, 2013 Clinic
Organization, Nature of Operations and Basis of Presentation [Abstract]
Number of clinics operated	508
Number of states where clinics are operated | State	42
Number of third party facilities | Facility	21
Percentage of general partnership interest owned	1.00%
Minimum percentage of limited partnership interest owned	49.00%
Maximum percentage of limited partnership interest owned	94.00%
Percentage of interest acquired in a single clinic	60.00%
Number of clinic practices acquired		4	3

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- Definition

The number of states the entity operates in as of the balance sheet date.

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- Definition

Maximum percentage of limited partnership interest owned during the period.

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- Definition

Minimum percentage of limited partnership interest owned during the period.

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- Definition

Number of clinic acquired.

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- Definition

Number of clinics operated during the period.

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Number of third party facilities.

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- Definition

Percentage of general partnership interest owned during the period.

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- Definition

Percentage of interest acquired in a single clinic practice during the period.

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