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Cash Equivalents and Investments - Schedule of Investments (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Available-for-sale [Line Items]
Available-for-sale Securities	$ 98,490	$ 93,239
Corporate securities
Available-for-sale [Line Items]
Available-for-sale Securities	58,894	61,385
Municipal Debt Securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	13,463	14,377
U.S. Treasury securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	16,473	10,205
Federal Home Loan Securities [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	5,524	3,562
Certificates of Deposit [Member]
Available-for-sale [Line Items]
Available-for-sale Securities	$ 4,136	$ 3,710

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