Fair Value Measurements - Summary of Company's Fair Value Hierarchy for its Financial Assets and Liabilities (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands		Mar. 31, 2025		Dec. 31, 2024
Assets:
Fair value of investments		$ 83,877		$ 64,575
Money market funds [Member]
Assets:
Fair value of cash equivalents		64,643	[1]	52,395	[2]
Marketable Investments [Member]
Assets:
Fair value of investments	[3]	19,234		12,180
Level 1 [Member]
Assets:
Fair value of investments		64,643		52,395
Level 1 [Member] | Money market funds [Member]
Assets:
Fair value of cash equivalents		64,643	[1]	52,395	[2]
Level 1 [Member] | Marketable Investments [Member]
Assets:
Fair value of investments	[3]	0		0
Level 2 [Member]
Assets:
Fair value of investments		19,234		12,180
Level 2 [Member] | Money market funds [Member]
Assets:
Fair value of cash equivalents		0	[1]	0	[2]
Level 2 [Member] | Marketable Investments [Member]
Assets:
Fair value of investments	[3]	$ 19,234		$ 12,180

[1] U.S. based funds of $25.2 million are included in cash and cash equivalents and non-U.S. based funds of $39.4 million are included in marketable investments in the Consolidated Balance Sheets.

[2] U.S. based funds of $16.0 million are included in cash and cash equivalents and non-U.S. based funds of $36.4 million are included in marketable investments in the Consolidated Balance Sheets.

[3] Marketable investments have been initially valued at the transaction price and subsequently valued, at the end of the reporting period, utilizing third party pricing services or other market observable data. The pricing services utilize industry standard valuation methods, including both income and market-based approaches and observable market inputs to determine value. These observable market inputs include reportable trades, benchmark yields, credit spreads, broker/dealer quotes, bids, offers, current spot rates and other industry and economic events.