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Stock-Based Incentive Plan - Fair Value Inputs and Assumptions (Details) - Restricted Stock
3 Months Ended
Sep. 30, 2015
$ / shares
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair value at grant date, per share $ 4.26
Vesting period 2 years 6 months 18 days
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair value at grant date, per share $ 8.40
Vesting period 3 years 3 months 18 days