BASIS OF PRESENTATION (Tables)

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Aging of net accounts receivable

The following table summarizes the aging of the Company’s 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, 2015							December 31, 2014
	0 - 180 days		Over 180 days		Total			0 - 180 days		Over 180 days		Total
Government	$	24,706	$	13,114	$	37,820		$	25,812	$	13,036	$	38,848
Commercial	112,593		34,954		147,547			117,699		35,302		153,001
Patient	6,920		11,516		18,436			4,899		10,562		15,461
Gross accounts receivable	$	144,219	$	59,584	203,803			$	148,410	$	58,900	207,310
Allowance for doubtful accounts					(72,332		)					(66,500		)
Net accounts receivable					$	131,471						$	140,810