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FAIR VALUE MEASUREMENTS - Debt Securities Schedule of Fair Value (Details) - Investments in debt securities - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period $ 41,042 $ 0
Investment 0 25,000
Fair value adjustments included in other (expense) income, net (1,116) 1,437
Balance at end of period $ 39,926 $ 26,437