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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss, Current $ (2,429) $ (1,417)
Equity Securities, FV-NI $ 102,529 $ 1,127
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 100,000,000 100,000,000
Common stock, shares issued (in shares) 46,625,000 46,331,000
Common stock, shares outstanding (in shares) 43,023,000 42,768,000
Treasury stock (in shares) 3,602,000 3,563,000
Series A-1    
Preferred stock, par value (in dollars per share) $ 0.0001  
Preferred stock, shares issued (in shares) 4,204,000 4,204,000
Preferred stock, shares outstanding (in shares) 4,204,000 4,204,000
Series B    
Preferred stock, par value (in dollars per share) $ 0.0001  
Preferred stock, shares issued (in shares) 357,000 357,000
Preferred stock, shares outstanding (in shares) 357,000 357,000