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Employee Benefit Plans - Estimated future benefit payments including benefits attributable to future service (Details 4)
$ in Thousands
Jun. 30, 2016
USD ($)
Compensation and Retirement Disclosure [Abstract]  
2017 $ 1,934
2018 2,196
2019 2,480
2020 2,780
2021 3,081
2022-2026 $ 19,684