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Changes in Fair Value of Company Level 3 Financial Instruments (Details) - Nonrecurring - Significant Unobservable (Level 3) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]      
Balance $ 10,912 $ 9,940 $ 9,940
Fair value adjustments 662 972
Balance $ 11,574 $ 10,912 $ 9,940