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Other Investments and Assets - Summary of Other Investments and Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
 [1]
Investments All Other Investments [Abstract]    
Cash surrender value of life insurance $ 23,197 $ 21,970
Self-insured liability receivable 10,463 5,979
Workers’ compensation insurance security deposits 4,050 4,250
Other mutual funds 2,062 2,192
Other 4,525 3,240
Other investments and assets $ 44,297 $ 37,631
[1] In accordance with ASU 2015-03, unamortized debt issuance costs are reflected as a direct deduction from the carrying amount of the related debt. The Company adopted the new guidance retrospectively to all prior periods presented in the consolidated financial statements. As a result, $1.6 million of unamortized debt issuance costs were reclassified from other investments and assets to a reduction of long-term debt on the December 31, 2015 consolidated balance sheet.