Business Combinations - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) Number
Business Combination [Line Items]
Goodwill	$ 18,126	$ 9,084
Business Acquisition, Goodwill, Expected Tax Deductible Amount	18,100	9,100
Business Combination Operating Lease Right of Use Assets	2,700
Business Combination, Recognized Asset Acquired, Other Asset, Current	300
Business Combination Operating Lease Liabilities	2,700
Other intangible assets	6,100	200
Fixed assets		400
Other non-current assets	58,156	$ 76,598
Contingent consideration related to a prior period acquisition	3,500
Maternal Fetal Medicine Practice [Member]
Business Combination [Line Items]
Number of Maternal Fetal Medicine Practices Acquired | Number		1
Total business acquisition consideration	24,500	$ 9,700
Business acquisition consiideration paid in cash	23,200	6,500
Business acquisitions contingent consideration liability		$ 3,200
Contingent consideration liability	$ 1,300