2.4.0.8091000 - Disclosure - Commitments and Contingencies (Details)truefalseIn Millions, unless otherwise specifiedfalse1false USDfalsefalse$c20130101to20130630http://www.sec.gov/CIK0001388430duration2013-01-01T00:00:002013-06-30T00:00:00U002Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 2us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Future minimum lease payments required for office facilities and equipment [Abstract]2false 3us-gaap_OperatingLeasesFutureMinimumPaymentsDueus-gaap_truecreditinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse50000005.0USD$falsetruefalsexbrli:monetaryItemTypemonetaryAmount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. false2Future minimum lease payments under operating lease agreements3false 2us-gaap_LongTermPurchaseCommitmentAmountus-gaap_truecreditdurationfalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse18000001.8USD$falsetruefalsexbrli:monetaryItemTypemonetaryThe minimum amount the entity agreed to spend under the long-term purchase commitment.No definition available.false2Commitments to purchase container equipmentfalseCommitments and Contingencies (Details) (USD $)HundredThousandsUnKnownUnKnownUnKnowntruefalsefalseSheethttp://capps.com/role/CommitmentsAndContingenciesDetails13