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Other Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Other Assets [Abstract]    
Restricted Insurance Settlement $ 21,883 $ 22,874
Uncertain Tax Positions 3,892 6,054
Supplemental Retirement Income Program 1,410 1,336
Other 1,567 1,954
Total $ 28,752 $ 32,218