v3.26.1
INVESTMENTS AND FAIR VALUE MEASUREMENTS - Funds Held For Clients (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Fair Value Disclosures [Abstract]      
Restricted cash and cash equivalents held to satisfy client funds obligations $ 79,812 $ 139,459 $ 140,146
Restricted short-term marketable securities held to satisfy client funds obligations 20,840 12,781  
Restricted long-term marketable securities held to satisfy client funds obligations 78,263 75,871  
Total funds held for clients $ 178,915 $ 228,111