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Percentage of the federal excise tax rate imposed on certain stock repurchases.

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The aggregate amount paid, including excise tax, to reacquire common stock during the period .

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No definition available.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan and other charges incurred outside of the normal course of business.

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Amount of interest income from short-term investment classified as other.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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BASIS OF PRESENTATION - Restructuring and Other Charges (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Restructuring and other charges
Restructuring and other charges		$ 44,000	$ 415,000	$ 2,687,000
Treasury stock
Common stock repurchases as treasury stock including excise tax			$ 7,723,000	$ 5,446,000
Excise tax rate on certain stock repurchases			1.00%	1.00%
Cash and cash equivalents and investments
Interest income on cash equivalents and short-term investments	$ 4,840,000	2,684,000	$ 14,060,000	$ 5,866,000
Accrued expenses and other liabilities
Restructuring and other charges
Accrued employee termination benefits	$ 0		0
Employee separations
Restructuring and other charges
Restructuring and other charges		17,000	$ 415,000	2,416,000
Other charges
Restructuring and other charges
Restructuring and other charges		$ 27,000		$ 271,000