Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Accounting Policies [Abstract]

Schedule of Changes in Allowance for Doubtful Accounts

The following table presents the changes in the allowance for doubtful accounts (in thousands):

	Three Months Ended March 31, 2020		Year Ended December 31, 2019		Three Months Ended March 31, 2019
Balance, beginning of period	$	9,049	$	7,296	$	7,296
Add: provision for doubtful accounts	4,592		9,129		2,015
Add: adoption of ASC 326	461		—		—
Less: write-offs, net of recoveries and other adjustments	(2,262)		(7,376)		(1,346)
Balance, end of period	$	11,840	$	9,049	$	7,965

Schedule of Changes in Contractual Allowance

The following table presents the changes in the contractual allowance (in thousands):

	Three Months Ended March 31, 2020		Year Ended December 31, 2019		Three Months Ended March 31, 2019
Balance, beginning of period	$	15,433	$	9,205	$	9,205
Add: provision for contractual allowances	4,592		15,518		3,396
Less: realized contractual adjustments	(3,477)		(9,290)		(1,435)
Balance, end of period	$	16,548	$	15,433	$	11,166

Disaggregated Revenue by Payor Type and Major Service

Disaggregated revenue by payor type and major service line for three months ended March 31, 2020 were as follows (in thousands):

	Three Months Ended March 31,
	2020		2019
Contracted third-party payors	$	31,710	$	22,719
Non-contracted third-party payors	3,376		2,819
Centers for Medicare & Medicaid	17,316		12,648
Healthcare Institutions	11,133		10,148
Total	$	63,535	$	48,334