SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2018

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, 2018						December 31, 2017
	0 - 180 days		Over 180 days		Total		0 - 180 days		Over 180 days		Total
Government	$	12,555	$	3,028	$	15,583	$	20,602	$	10,082	$	30,684
Commercial	80,508		10,825		91,333		63,767		18,779		82,546
Patient	1,922		4,790		6,712		2,577		7,627		10,204
Gross accounts receivable	$	94,985	$	18,643	113,628		$	86,946	$	36,488	123,434
Allowance for doubtful accounts					—						(37,912		)
Net accounts receivable					$	113,628					$	85,522