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Post-Retirement Benefit Plans (Details 2)
$ in Thousands
Dec. 31, 2015
USD ($)
Post Retirement Benefit Plans [Line Items]  
Defined Benefit Plan, Expected Future Benefit Payments, 2016 $ 0
Defined Benefit Plan, Expected Future Benefit Payments, 2017 0
Defined Benefit Plan, Expected Future Benefit Payments, 2018 0
Defined Benefit Plan, Expected Future Benefit Payments, 2019 11
Defined Benefit Plan, Expected Future Benefit Payments, 2020 0
Defined Benefit Plan, Expected Future Benefit Payments, Next five years $ 221