Basis of Presentation and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2020

Accounting Policies [Abstract]

Schedule of Disaggregated Revenue by Payor Type

The following table presents disaggregated revenue generated by each payor type (in thousands):

	Years Ended December 31,
	2020		2019		2018
Commercial	$	108,851	$	107,340	$	113,000
Medicare	271,596		226,002		226,353
Medicaid	269,079		192,596		134,904
Other third parties	37,654		34,680		45,651
Revenue	$	687,180	$	560,618	$	519,908

Schedule of Contributions to Revenue and Receivables by Payor

The Company had major payors that contributed the following percentages of net revenue:

	Years Ended December 31,
	2020		2019		2018
Payor A	12.5	%	13.6	%	14.6	%
Payor B	10.9	%	13.4	%	18.7	%
Payor C	*%		*%		14.1	%
Payor D	13.1	%	11.7	%	14.1	%
Payor E	16.9	%	12.9	%	*%

*Less than 10% of total net revenues

The Company had major payors that contributed to the following percentages of net receivables and receivables - related parties :

	As of December 31,
	2020		2019
Payor F	43.9	%	30.4	%
Payor G	36.5	%	36.0	%

Schedule of Carrying Amounts and Fair Values of Financial Instruments

The carrying amounts and fair values of the Company’s financial instruments as of December 31, 2020 are presented below (in thousands):

	Fair Value Measurements
	Level 1		Level 2		Level 3		Total
Assets
Money market accounts*	$	115,769	$	—	$	—	$	115,769
Marketable securities – certificates of deposit	67,637		—		—		67,637
Marketable securities – equity securities	58		—		—		58
Total	$	183,464	$	—	$	—	$	183,464

The carrying amounts and fair values of the Company’s financial instruments as of December 31, 2019 are presented below (in thousands):

	Fair Value Measurements
	Level 1		Level 2		Level 3		Total
Assets
Money market accounts*	$	50,731	$	—	$	—	$	50,731
Marketable securities – certificates of deposit	116,469		—		—		116,469
Marketable securities – equity securities	70		—		—		70
Total	$	167,270	$	—	$	—	$	167,270

*Included in cash and cash equivalents