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Stock-Based Compensation - Narrative (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation arrangement strike price of phantom stock options as percent of book value (in hundredths) 100.00%   100.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value $ 71,000 $ 66,000 $ 378,000 $ 47,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) 0 0 0 0
2008 Stock Option Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 0 0 0 0
2011 Phantom Stock Option and Long-term Incentive Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares) 900,000   900,000  
Allocated Share-based Compensation Expense $ 207,000 $ 0 $ 546,800 $ 106,800
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)     227,330 243,473