BASIS OF PRESENTATION (Tables)

6 Months Ended

Jun. 30, 2016

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Accounts Receivable Aging

The following table sets forth the aging of our net accounts receivable (net of allowance for contractual adjustments and prior to allowance for doubtful accounts), aged based on date of service and categorized based on the three primary overall types of accounts receivable characteristics (in thousands):

	June 30, 2016							December 31, 2015
	0 - 180 days		Over 180 days		Total			0 - 180 days		Over 180 days		Total
Government	$	20,860	$	9,945	$	30,805		$	19,944	$	11,369	$	31,313
Commercial	86,977		18,755		105,732			94,477		20,213		114,690
Patient	6,754		6,657		13,411			5,014		6,025		11,039
Gross accounts receivable	$	114,591	$	35,357	149,948			$	119,435	$	37,607	157,042
Allowance for doubtful accounts					(51,314		)					(59,689		)
Net accounts receivable					$	98,634						$	97,353