Acquisition - Summary of Purchase Price and Estimated Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands	Dec. 01, 2023	Mar. 31, 2024	Dec. 31, 2023
Fair value of net assets acquired:
Excess purchase price over fair value of net assets acquired ("goodwill")		$ 680,876	$ 684,345
SADA Systems, LLC
Business Acquisition [Line Items]
Cash paid to acquire business	$ 424,252
Fair value of net assets acquired:
Current assets	346,693
Identifiable intangible assets - see description below	158,100
Property and equipment	2,266
Other assets	260,185
Current liabilities	(332,681)
Long-term liabilities, including long-term accounts payable	(126,078)
Total fair value of net assets acquired	308,485
Excess purchase price over fair value of net assets acquired ("goodwill")	$ 115,767