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CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Other comprehensive income:        
Net unrealized gain (loss) on available-for-sale securities, tax expense (benefit) $ 255 $ 190 $ (660) $ 896
Net realized (gain) loss on sale of available-for-sale securities included in net income, tax (expense) benefit       $ 46
Change in nonqualified pension plan unrecognized net loss and unrecognized prior service cost, tax benefit $ (1)   $ (1)