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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Fair Value by Fair Value Hierarchy Level [Line Items]      
Proceeds from sale of equity securities $ 2,100    
Equity securities, realized loss 400    
Equity securities, unrealized gain   $ 5,400  
Investment fund, maximum exposure loss limit, unfunded commitments 44,100    
Purchase of non-marketable investments and other 14,146 $ 14,000  
Equity securities without readily determinable fair value, upward price adjustment $ 1,600    
Minimum      
Fair Value by Fair Value Hierarchy Level [Line Items]      
Investment fund, term 7 years    
Investment fund, option to extend, term 2 years    
Maximum      
Fair Value by Fair Value Hierarchy Level [Line Items]      
Investment fund, term 10 years    
Investment fund, option to extend, term 3 years    
Fair Value Measured at Net Asset Value Per Share      
Fair Value by Fair Value Hierarchy Level [Line Items]      
Equity securities without readily determinable fair value $ 18,900   $ 3,200