Significant Payors (Tables)

3 Months Ended

Mar. 31, 2018

Significant Payors [Abstract]

Revenue Mix by Payor Type

		For the Three Months Ended March 31,
		2018				2017
			% of Net				% of Net
		Amount	Service			Amount	Service
		(in Thousands)	Revenues			(in Thousands)	Revenues
State, local and other governmental programs	$	67,300	61.5	%	$	65,943	64.9	%
Managed care organizations		37,830	34.6			32,825	32.3
Private pay		3,755	3.4			2,155	2.1
Commercial insurance		563	0.5			683	0.7
Total net service revenues	$	109,448	100.0	%	$	101,606	100.0	%

Percentage of Total Revenue by Geographic Location

			For the Three Months Ended March 31,
		2018				2017
			% of Net				% of Net
		Amount	Service			Amount	Service
		(in Thousands)	Revenues			(in Thousands)	Revenues
Illinois	$	57,358	52.4	%	$	53,988	53.1	%
New York		15,363	14.0			14,274	14.0
New Mexico		11,770	10.8			6,943	6.8
All other states		24,957	22.8			26,401	26.1
Total net service revenues	$	109,448	100.0	%	$	101,606	100.0	%