CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 4,849	$ 14,793	$ 8,803	$ 21,668
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments, net of $0 tax in each of the three and six months ended June 30, 2024 and 2023	(271)	(548)	(637)	(400)
Unrealized gain (loss) on marketable securities, net of $0 tax in each of the three and six months ended June 30, 2024 and 2023	(317)	(144)	(1,005)	2,028
Amortization of defined benefit pension items, net of tax of ($7) and ($15) in the three and six months ended June 30, 2024, respectively, and ($4) and ($7) in the three and six months ended June 30, 2023, respectively	(42)	(21)	(85)	(41)
Total other comprehensive income (loss)	(630)	(713)	(1,727)	1,587
TOTAL COMPREHENSIVE INCOME	$ 4,219	$ 14,080	$ 7,076	$ 23,255