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INVESTMENTS (Details) - Investment Income (Loss) Reflected in Earnings - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Investments Debt And Equity Securities Abstract        
Realized gains on sales of available-for-sale securities $ 31 $ 0 $ 31 $ 531
Realized losses on sales of trading securities 0 0 0 (35)
Unrealized losses on trading securities (125) (69) (26) (133)
Realized foreign currency gains (losses) (7) 17 (5) 52
Other-than-temporary declines in available-for-sale securities 0 (199) (16) (259)
Other-than-temporary declines in securities held at cost 0 (258) 0 (258)
Dividend and interest income 350 238 518 365
Total Investment Income (Loss) $ 249 $ (271) $ 502 $ 263