COMBINED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
NET SERVICE FEE REVENUE
Service fee revenue, net of contractual allowances and discounts	$ 55,008	$ 55,058	$ 57,210
Provision for bad debts	(2,824)	(2,832)	(2,777)
Net service fee revenue	52,184	52,226	54,433
OPERATING EXPENSES
Cost of operations	34,802	36,767	38,220
Depreciation and amortization	4,139	4,718	4,728
Net loss (gain) on sale of equipment	31	19	(143)
Total operating expenses	38,972	41,504	42,805
INCOME FROM OPERATIONS	13,212	10,722	11,628
Net interest expense	34	60	86
NET INCOME	$ 13,178	$ 10,662	$ 11,542