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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Accounting Policies [Abstract]

Schedule of Net Revenue by Service Line

The following table summarizes the Company’s net patient service revenue from continuing operations by service line (in percentages):

		Years Ended December 31,
		2024				2023				2022
Neonatology and other pediatric subspecialties			83	%			84	%			84	%
Maternal-fetal medicine			17	%			16	%			16	%
			100	%			100	%			100	%

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table presents information about the Company’s financial instruments that are accounted for at fair value on a recurring basis at December 31, 2024 and 2023 (in thousands):

				Fair Value
		Fair Value Category		December 31, 2024				December 31, 2023
Assets:
Money market funds		Level 1		$	9,295			$	2,814
Short-term investments		Level 2			118,566				104,485
Mutual funds		Level 1			18,581				17,687

Financial Instruments Measured At Carrying Amount

The following table presents information about the Company’s financial instruments that are not carried at fair value at December 31, 2024 and 2023 (in thousands):

December 31, 2024

December 31, 2023

Carrying Amount

Fair Value

Carrying Amount

Fair Value

Liabilities:

2030 Notes

400,000

382,000

400,000

357,000

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Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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