BASIS OF PRESENTATION (Tables)

3 Months Ended

Mar. 31, 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):

	March 31, 2015							December 31, 2014
	0 - 180 days		Over 180 days		Total			0 - 180 days		Over 180 days		Total
Government	$	25,441	$	13,275	$	38,716		$	25,812	$	13,036	$	38,848
Commercial	109,452		37,996		147,448			117,699		35,302		153,001
Patient	6,452		10,881		17,333			4,899		10,562		15,461
Gross accounts receivable	$	141,345	$	62,152	203,497			$	148,410	$	58,900	207,310
Allowance for doubtful accounts					(66,836		)					(66,500		)
Net accounts receivable					$	136,661						$	140,810