3. SIGNIFICANT ACCOUNTING POLICIES (Tables)

3 Months Ended

Mar. 31, 2016

Accounting Policies [Abstract]

Schedule of service fee revenue

	Three Months Ended March 31,
	2016			2015
Commercial insurance	$	126,397		$	99,885
Medicare		45,820			37,036
Medicaid		7,023			5,470
Workers' compensation/personal injury		9,514			7,400
Other		12,088			15,239
Service fee revenue, net of contractual allowances and discounts		200,842			165,030
Provision for bad debts		(10,304	)		(7,475	)
Net service fee revenue		190,538			157,555
Revenue under capitation arrangements		25,850			23,712
Total net revenue	$	216,388		$	181,267

Schedule of senior secured term loans

	Face Value		Discount			Total Carrying Value
First Lien Term Loans	$	373,792	$	(7,461	)	$	366,331
2015 Incremental First	$	71,053	$	(834	)	$	70,219
Second Lien Term Loans	$	180,000	$	(2,311	)	$	177,689
Total	$	624,845	$	(10,606	)	$	614,239