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Commitments and Contingencies (Details) (USD $)
0 Months Ended 3 Months Ended 0 Months Ended
Sep. 01, 2014
May 23, 2013
Mar. 31, 2015
Arrangement
Mar. 31, 2014
Mar. 09, 2015
May 10, 2013
Commitments and Contingencies (Textual)            
Number of arrangement     2clacu_NumberOfArrangement      
Aggregate annual fee     $ 330,000clacu_AggregateAnnualFee      
Success fee     450,000clacu_SuccessFee      
Discretionary success fee     20,000clacu_DiscretionarySuccessFee      
Annual fee reduced to     220,000clacu_AggregateAnnualFeeReduction      
Term of office lease   15 months        
Lease expiration date   Aug. 31, 2014        
Rent expense     0us-gaap_LeaseAndRentalExpense 19,429us-gaap_LeaseAndRentalExpense    
Monthly rent 4,050clacu_MonthlyRent 6,700clacu_MonthlyRent 12,150clacu_MonthlyRent      
Finder minimum fee     1,000,000clacu_FinderMinimumFee      
Legal fees     890,000us-gaap_LegalFees      
Lindblad Expeditions Inc [Member]            
Commitments and Contingencies (Textual)            
Merger consideration value         330,000,000us-gaap_BusinessCombinationConsiderationTransferred1
/ dei_LegalEntityAxis
= clacu_LindbladExpeditionsIncMember
 
Merger consideration, cash         90,000,000us-gaap_PaymentsToAcquireBusinessesGross
/ dei_LegalEntityAxis
= clacu_LindbladExpeditionsIncMember
 
Merger consideration, shares         24,000,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ dei_LegalEntityAxis
= clacu_LindbladExpeditionsIncMember
 
Underwriting Agreement [Member]            
Commitments and Contingencies (Textual)            
Percentage of gross proceeds of offering paid under underwriting discount           2.00%clacu_PercentageOfGrossProceedsOfOfferingPaidUnderUnderwritingDiscount
/ clacu_AgreementAxis
= clacu_UnderwritingAgreementMember
Underwriting discount paid to the underwriters           4,000,000clacu_AmountOfGrossProceedsOfOfferingPaidUnderUnderwritingDiscount
/ clacu_AgreementAxis
= clacu_UnderwritingAgreementMember
Additional deferred underwriting discount to be paid to underwriters           4.00%clacu_AdditionalDeferredUnderwritingDiscount
/ clacu_AgreementAxis
= clacu_UnderwritingAgreementMember
Amount to be paid to affiliate for office space administrative and support services           $ 7,500us-gaap_GeneralAndAdministrativeExpense
/ clacu_AgreementAxis
= clacu_UnderwritingAgreementMember