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Condensed Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Statement of Comprehensive Income [Abstract]    
Unrealized appreciation (depreciation) on available-for-sale securities, tax $ 2,268 $ 340
Postretirement health plan amortization of transition obligation and prior service cost and change in net loss, tax $ 1 $ 2