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Schedule of Reported Available for Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	$ 123,839	$ 334,077
Available-for-sale marketable securities, Unrealized Gain	73	5,477
Available-for-sale marketable securities, Unrealized (Loss)	(11,041)	(718)
Available-for-sale marketable securities, Fair Market Value	112,871	338,836
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	99,763	91,937
Marketable securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	39,950	244,213
Available-for-sale marketable securities, Unrealized Gain	70	64
Available-for-sale marketable securities, Unrealized (Loss)	(408)	(46)
Available-for-sale marketable securities, Fair Market Value	39,612	244,231
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	30,713	54,798
Long-term marketable securities
Schedule of Available-for-sale Securities
Available-for-sale marketable securities, Cost	83,889	89,864
Available-for-sale marketable securities, Unrealized Gain	3	5,413
Available-for-sale marketable securities, Unrealized (Loss)	(10,633)	(672)
Available-for-sale marketable securities, Fair Market Value	73,259	94,605
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses	$ 69,050	$ 37,139

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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