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Incentive Plans: Equity Incentive Plan Policy: Schedule of Incentive Plan Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Shares:    
Oustanding, End of Period 591,250 932,000
Equity Incentive Plan [Member]    
Shares:    
Outstanding, Beginning of Period 615,250  
Granted 0  
Exercised (21,500)  
Forfeited (2,500)  
Oustanding, End of Period 591,250  
Vested and expected to vest at year end 553,100  
Exercisable at year end 390,500  
Weighted-Average Exercise Price (in dollars per share):    
Oustanding, Beginning of Period $ 12.14  
Granted 0.00  
Exercised 8.23  
Forfeited 14.59  
Outstanding, End of Period 12.27  
Vested and expected to vest at year end 12.05  
Exercisable at year end $ 10.73  
Weighted- Average Remaining Contractual Term (Years):    
Outstanding at year end 5 years 6 months 22 days  
Vested and expected to vest at year end 5 years 5 months 5 days  
Exercisable at year end 4 years 8 months 7 days  
Aggregate Intrinsic Value ($000):    
Outstanding at year end $ 4,337  
Vested and expected to vest at year end 4,163  
Exercisable at year end $ 3,463