THE COMPANY (Details)	12 Months Ended
	Dec. 31, 2017 segment state item location clinic
THE COMPANY
Number of segments | segment	2
Minimum number of O&P provider network of clinics managed | clinic	682
Number of O&P patient-care clinic locations	112
Number of states in which patient-care clinics are located | state	44
Number of patient care locations opened	31
Number of patient care locations closed	58
Minimum number of long-term care facilities and other sub-acute rehabilitation providers served | item	4,000