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OTHER ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Other Assets Noncurrent [Line Items]    
Cash surrender value of life insurance $ 16,277 $ 15,604
Amortizable intangible assets (See Note 7) 1,906 2,139
Investment in real estate 2,397 2,297
Other 2,517 2,745
Total other assets $ 23,097 $ 22,785