CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Trade receivables, allowances	$ 8,721	$ 8,423
Stockholders' equity:
Preferred stock shares authorized (in shares)	5,000	5,000
Preferred stock shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock shares authorized (in shares)	100,000	100,000
Common stock shares issued (in shares)	57,746	57,306
Common stock shares outstanding (in shares)	57,746	57,306
Developed technology
Other assets:
Intangibles, accumulated amortization	$ 308,889	$ 274,570
Other
Other assets:
Intangibles, accumulated amortization	$ 76,909	$ 69,780