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8. Other Income and Expenses (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Interest and investment income $ (5,500) $ (700) $ (37,700) $ (19,000)
Net realized (gain) loss on investments (400) 0 (400) (100)
Equity Method Investment, Other than Temporary Impairment 0 0 0 800
Increase (Decrease) in Deposit Assets (1,400) 0 (1,400) 0
Other Nonoperating (Income) (200)   (600)  
Other Nonoperating Expense   800   1,000
Other (income) expense, net $ (6,710) $ 96 $ (39,307) $ (17,311)