SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2017

Accounting Policies [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):

	September 30, 2017							December 31, 2016
	0 - 180 days		Over 180 days		Total			0 - 180 days		Over 180 days		Total
Government	$	18,566	$	7,897	$	26,463		$	19,891	$	8,278	$	28,169
Commercial	72,744		22,603		95,347			97,744		19,848		117,592
Patient	3,440		10,785		14,225			3,955		6,825		10,780
Gross accounts receivable	$	94,750	$	41,285	136,035			$	121,590	$	34,951	156,541
Allowance for doubtful accounts					(46,820		)					(44,730		)
Net accounts receivable					$	89,215						$	111,811