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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Other comprehensive income:    
Net unrealized gain (loss) on available-for-sale securities, tax expense (benefit) $ (3,506) $ (915)
Change in nonqualified pension plan unrecognized net loss and unrecognized prior service cost, tax benefit $ (1)