Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Goodwill And Other Intangible Assets [Line Items]
Goodwill		$ 1,384,166	$ 1,260,732	$ 1,242,606	$ 1,384,166
Intangible assets related to acquisitions			6,100
Non Cash Impairment Charges	$ 150,600	148,300		150,644	148,312
Good will Impairment Loss excluding Deferred Tax Assets Charge				126,400	125,000
Incremental Non Cash Charge				150,600	148,300
Deferred tax asset and incremental non-cash impairment charge				24,200	23,300
Change in Non Cash Impairment Charges				7,700	9,000
Non-cash charge against goodwill				0	20,000
Impairment losses			0	178,435	168,312
Goodwill impairment	$ 150,600	$ 148,300		$ 150,644	$ 148,312
Change in Rate of Control Premium				1.00%	1.00%
Amortization expense for intangible assets			$ 5,700	$ 7,100	$ 5,600
Weighted-average amortization period			14 years