v3.26.1
INVESTMENTS AND FAIR VALUE MEASUREMENTS - Funds Held For Clients (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Fair Value Disclosures [Abstract]      
Restricted cash and cash equivalents held to satisfy client funds obligations $ 131,284 $ 139,459 $ 184,927
Restricted short-term marketable securities held to satisfy client funds obligations 20,385 12,781  
Restricted long-term marketable securities held to satisfy client funds obligations 64,845 75,871  
Total funds held for clients $ 216,514 $ 228,111