XML 60 R85.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
ASSET IMPAIRMENT (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Asset Impairment Charges [Abstract]      
Asset impairment $ 0 $ 0 $ 9,917
Unusual or Infrequent Item, or Both, Insurance Proceeds     $ 1,600