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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2022
Fair Value Disclosures [Abstract]  
Fair value hierarchy of assets and liabilities The following provides the hierarchy of inputs used to derive fair value of Artisan’s assets and liabilities that are financial instruments as of September 30, 2022 and December 31, 2021:
Assets and Liabilities at Fair Value
TotalNAV Practical Expedient (No Fair Value Level)Level 1Level 2Level 3
September 30, 2022
Assets
Money market funds$19,556 $— $19,556 $— $— 
Equity securities78,240 8,296 69,944 — — 
December 31, 2021
Assets
Money market funds$37,861 $— $37,861 $— $— 
Equity securities47,878 9,975 37,903 — —