XML 104 R83.htm IDEA: XBRL DOCUMENT v3.10.0.1
OTHER LONG-TERM LIABILITIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Oct. 01, 2018
Dec. 31, 2017
Other Long-Term Liabilities [Abstract]      
Defined benefit pension plan liabilities $ 74,972   $ 63,579
Post-retirement medical plan liabilities 19,345   21,527
Environmental liabilities 137,215   140,403
Railcar Liability 23,315   0
East Coast Storage Assets Acquisition 21,567   0
Other 814   250
Other long-term liabilities $ 277,228   $ 225,759
East Coast Storage Assets Acquisition [Member]      
Other Long-Term Liabilities [Abstract]      
East Coast Storage Assets Acquisition [1]   $ 21,100  
[1] ** Contingent consideration is included in “Other long-term liabilities” within the Consolidated Balance Sheets.