REVENUE RECOGNITION (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The approximate percentage of net revenue by type of customer was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Healthcare insurers:
Fee-for-service	38	%	32	%	38	%	32	%
Capitated	3		3		3		3
Total healthcare insurers	41		35		41		35
Government payers	10		12		10		13
Client payers	34		39		34		36
Patients	12		11		12		12
Total DIS	97		97		97		96
DS	3		3		3		4
Net revenues	100	%	100	%	100	%	100	%

Accounts Receivable Disaggregation

The approximate percentage of net accounts receivable by type of customer was as follows:

	June 30, 2021		December 31, 2020
Healthcare Insurers	31	%	34	%
Government Payers	6		6
Client Payers	42		46
Patients (including coinsurance and deductible responsibilities)	17		11
Total DIS	96		97
DS	4		3
Net accounts receivable	100	%	100	%