2.4.0.8100220 - Disclosure - Financial Instruments (Tables)truefalsefalse1false falsefalseC_0001085621_20130101_20130630http://www.sec.gov/CIK0001085621duration2013-01-01T00:00:002013-06-30T00:00:001false 4us-gaap_ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The following table presents the classifications and fair values of our derivative instruments as of June 30, 2013 and December 31, 2012 (in thousands):   <div style="text-align: left;"> <table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0"> <tr> <th colspan="11" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Consolidated Balance Sheets </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> </tr> <tr> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Derivative </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Classification </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> June 30, 2013 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> December 31, 2012 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> </tr> <tr> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Interest rate swap </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Accrued expenses </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (248 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (90 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )  </td> </tr> </table> </div>   </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure for fair value hedging instruments of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 false0Classifications and Fair Value of Derivative Instruments2false 4us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div> The following table presents the mark-to-market impact on earnings resulting from ICG’s hedging activities for the three and six months ended June 30, 2013 and 2012, respectively (in thousands):   <div style="text-align: left;"> <table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0"> <tr> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="8" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Three Months Ended June 30, </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="8" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Six Months Ended June 30, </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> </tr> <tr> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Derivative </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Classification </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> 2013 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> 2012 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> 2013 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> 2012 </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> </tr> <tr> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Average rate currency options and forward contracts </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Other income (loss), net </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (26 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (123 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )  </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (136 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (123 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )  </td> </tr> <tr> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Interest rate swap </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Interest income (expense) </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (157 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  18</td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (158 </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> <td style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</td><td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  30</td> <td style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </td> </tr> </table> </div>   </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the location and amount of gains and losses reported in the statement of financial performance, or when applicable, the statement of financial position. For example, (a) gains and losses recognized in the income statement on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges and (b) gains and losses initially recognized in other comprehensive income on derivative instruments designated and qualifying as cash flow hedges.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 false0Mark-to-Market Impact on Earnings Resulting from Hedging Activities3false 4us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="text-align: left;"> The fair value hierarchy of ICG’s financial assets measured at fair value on a recurring basis was as follows (in thousands):   <div style="text-align: left;"> <table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0"> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Asset (liability) at June 30, 2013 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="2" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Valuation Technique (Approach) </th> <th colspan="3" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Level 1 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="3" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Level 2 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="3" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Level 3 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> </tr> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Cash equivalents (money market accounts and commercial paper investments)              </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  81,019</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Market </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  81,019</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> </tr> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Hedges of interest rate risk(1)              </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (248 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Market </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (248 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> </tr> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  80,771</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  81,019</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (248 </th> <th colspan="2" style="padding-bottom:1.45pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )   </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> </tr> </table> </div>   <div style="text-align: left;"> <table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0"> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="3" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Asset (liability) at December 31,  2012 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Valuation Technique (Approach) </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Level 1 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="3" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Level 2 </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="3" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:1pt; padding-left:0.7pt; padding-right:0.7pt; vertical-align:bottom"> Level 3 </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> </tr> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Cash equivalents (money market accounts and commercial paper investments)              </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  23,598</th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Market </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  23,598</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> </tr> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Hedges of interest rate risk (1)              </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (90 </th> <th style="padding-bottom:0.7pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )  </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> Market </th> <th style="padding-bottom:0.7pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom" colspan="2">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-bottom:0.7pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (90 </th> <th colspan="2" style="padding-bottom:0.7pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )  </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th colspan="4" style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-bottom:0.7pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> </tr> <tr> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  23,508</th> <th style="padding-bottom:2.15pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="padding-bottom:2.15pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">  23,598</th> <th colspan="2" style="padding-bottom:2.15pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> (90 </th> <th colspan="2" style="padding-bottom:2.15pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom"> )  </th> <th colspan="2" style="padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">   </th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">$</th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-top:0.7pt; vertical-align:bottom; text-align:right"></th><th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right" colspan="2"></th> <th style="border-bottom-color:#000000; border-bottom-style:double; border-bottom-width:1.5pt; border-top-color:#000000; border-top-style:solid; border-top-width:0.75pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom; text-align:right">—</th> <th colspan="2" style="padding-bottom:2.15pt; padding-right:0.7pt; padding-top:0.7pt; vertical-align:bottom">    </th> </tr> </table> </div>   <table cellspacing="0" cellpadding="0" style="display: block; text-align: left; border: 0"> <tr> <td style="border-bottom-color:#000000; border-bottom-style:solid; border-bottom-width:0.5pt; padding-right:0.7pt; vertical-align:bottom">   </td> </tr> </table> (1)              ICG’s respective counterparties under the arrangements provide quarterly statements of market values of those instruments based on significant inputs that are observable or can be derived principally from, or corroborated by, observable market data for substantially the full term of the asset or liability. </div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 false0Fair Value Hierarchy of Financial Assets Measured at Fair Value on Recurring BasisfalseFinancial Instruments (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.icg.com/20130630/taxonomy/role/DisclosureFinancialInstrumentsTables13