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Fair Value Measurements - Summary of Fair Value Assets Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Fair value information related to assets    
Assets $ 4,005  
Fair Value, Measurements, Recurring    
Fair value information related to assets    
Assets   $ 15,060
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets (Level 1)    
Fair value information related to assets    
Assets 4,005 15,060
Fair Value, Measurements, Recurring | Money market funds    
Fair value information related to assets    
Assets [1] 0 11,003
Fair Value, Measurements, Recurring | Money market funds | Quoted Prices in Active Markets (Level 1)    
Fair value information related to assets    
Assets [1] 0 11,003
Fair Value, Measurements, Recurring | Other mutual funds    
Fair value information related to assets    
Assets [2] 4,005 4,057
Fair Value, Measurements, Recurring | Other mutual funds | Quoted Prices in Active Markets (Level 1)    
Fair value information related to assets    
Assets [2] $ 4,005 $ 4,057
[1] We include money market funds in “Cash and cash equivalents” in the Condensed Consolidated Balance Sheets. We classify these investments as available-for-sale and record them at fair value. There have been no realized gains or losses related to these investments and we have not experienced any redemption restrictions with respect to any of the money market mutual funds.
[2] We include other mutual funds in “Other investments and assets” in the Condensed Consolidated Balance Sheets.