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Revenue Recognition - Schedule of Revenues Disaggregated by Service Line (Detail) - USD ($)	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Disaggregation Of Revenue [Line Items]
Total services	$ 234,711,000	$ 211,722,000
Patient Management Services [Member]
Disaggregation Of Revenue [Line Items]
Total services	146,767,000	139,172,000
Network Solutions Services [Member]
Disaggregation Of Revenue [Line Items]
Total services	$ 87,944,000	$ 72,550,000

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