XML 17 R54.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes (Parentheticals) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Taxes [Abstract]      
Federal tax benefit on state positions $ 223hcc_FederalTaxBenefitOnStatePositions $ 340hcc_FederalTaxBenefitOnStatePositions $ 719hcc_FederalTaxBenefitOnStatePositions