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Other Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Cash surrender value of life insurance policies $ 36,269 $ 45,254
Deferred tax asset 79,309 536
Deposits 2,343 2,031
Other 6,921 5,112
Total other assets $ 124,842 $ 52,933