3.3.1.900 html 330 415 1 true 87 0 false 10 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Consolidated Balance Sheets Sheet http://www.seaspancorp.com/20151231/taxonomy/role/StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 100020 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100030 - Statement - Consolidated Statements of Operations Sheet http://www.seaspancorp.com/20151231/taxonomy/role/StatementConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 100040 - Statement - Consolidated Statements of Comprehensive Income Sheet http://www.seaspancorp.com/20151231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncome Consolidated Statements of Comprehensive Income Statements 5 false false R6.htm 100050 - Statement - Consolidated Statements of Shareholders' Equity Sheet http://www.seaspancorp.com/20151231/taxonomy/role/StatementConsolidatedStatementsOfShareholdersEquity Consolidated Statements of Shareholders' Equity Statements 6 false false R7.htm 100060 - Statement - Consolidated Statements of Cash Flows Sheet http://www.seaspancorp.com/20151231/taxonomy/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 100070 - Disclosure - General Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureGeneral General Notes 8 false false R9.htm 100080 - Disclosure - Summary of significant accounting policies Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPolicies Summary of significant accounting policies Notes 9 false false R10.htm 100090 - Disclosure - Related party transactions Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureRelatedPartyTransactions Related party transactions Notes 10 false false R11.htm 100100 - Disclosure - Vessels Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureVessels Vessels Notes 11 false false R12.htm 100110 - Disclosure - Deferred charges Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredCharges Deferred charges Notes 12 false false R13.htm 100120 - Disclosure - Other assets Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherAssets Other assets Notes 13 false false R14.htm 100130 - Disclosure - Deferred revenue Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredRevenue Deferred revenue Notes 14 false false R15.htm 100140 - Disclosure - Long-term debt Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureLongTermDebt Long-term debt Notes 15 false false R16.htm 100150 - Disclosure - Other long-term liabilities Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherLongTermLiabilities Other long-term liabilities Notes 16 false false R17.htm 100160 - Disclosure - Share capital Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareCapital Share capital Notes 17 false false R18.htm 100170 - Disclosure - Earnings per share Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureEarningsPerShare Earnings per share Notes 18 false false R19.htm 100180 - Disclosure - Share-based compensation Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensation Share-based compensation Notes 19 false false R20.htm 100190 - Disclosure - Other information Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherInformation Other information Notes 20 false false R21.htm 100200 - Disclosure - Commitments and contingent obligations Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligations Commitments and contingent obligations Notes 21 false false R22.htm 100210 - Disclosure - Concentrations Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureConcentrations Concentrations Notes 22 false false R23.htm 100220 - Disclosure - Financial instruments Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstruments Financial instruments Notes 23 false false R24.htm 100230 - Disclosure - Subsequent events Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureSubsequentEvents Subsequent events Notes 24 false false R25.htm 100240 - Disclosure - Summary of significant accounting policies (Policies) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies Summary of significant accounting policies (Policies) Policies 25 false false R26.htm 100250 - Disclosure - Related party transactions (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureRelatedPartyTransactionsTables Related party transactions (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureRelatedPartyTransactions 26 false false R27.htm 100260 - Disclosure - Vessels (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureVesselsTables Vessels (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureVessels 27 false false R28.htm 100270 - Disclosure - Deferred charges (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredChargesTables Deferred charges (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredCharges 28 false false R29.htm 100280 - Disclosure - Other assets (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherAssetsTables Other assets (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherAssets 29 false false R30.htm 100290 - Disclosure - Deferred revenue (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredRevenueTables Deferred revenue (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredRevenue 30 false false R31.htm 100300 - Disclosure - Long-term debt (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureLongTermDebtTables Long-term debt (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureLongTermDebt 31 false false R32.htm 100310 - Disclosure - Other long-term liabilities (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherLongTermLiabilitiesTables Other long-term liabilities (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherLongTermLiabilities 32 false false R33.htm 100320 - Disclosure - Share capital (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareCapitalTables Share capital (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareCapital 33 false false R34.htm 100330 - Disclosure - Earnings per share (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureEarningsPerShareTables Earnings per share (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureEarningsPerShare 34 false false R35.htm 100340 - Disclosure - Share-based compensation (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensationTables Share-based compensation (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensation 35 false false R36.htm 100350 - Disclosure - Other information (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherInformationTables Other information (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherInformation 36 false false R37.htm 100360 - Disclosure - Commitments and contingent obligations (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligationsTables Commitments and contingent obligations (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligations 37 false false R38.htm 100370 - Disclosure - Concentrations (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureConcentrationsTables Concentrations (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureConcentrations 38 false false R39.htm 100380 - Disclosure - Financial instruments (Tables) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstrumentsTables Financial instruments (Tables) Tables http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstruments 39 false false R40.htm 100390 - Disclosure - General - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureGeneralAdditionalInformationDetail General - Additional Information (Detail) Details 40 false false R41.htm 100400 - Disclosure - Summary of significant accounting policies - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Summary of significant accounting policies - Additional Information (Detail) Details 41 false false R42.htm 100410 - Disclosure - Related party transactions - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureRelatedPartyTransactionsAdditionalInformationDetail Related party transactions - Additional Information (Detail) Details 42 false false R43.htm 100420 - Disclosure - Related party transactions - Schedule of Income or Expenses with Related Parties (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureRelatedPartyTransactionsScheduleOfIncomeOrExpensesWithRelatedPartiesDetail Related party transactions - Schedule of Income or Expenses with Related Parties (Detail) Details 43 false false R44.htm 100430 - Disclosure - Vessels - Schedule of Vessels (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureVesselsScheduleOfVesselsDetail Vessels - Schedule of Vessels (Detail) Details 44 false false R45.htm 100440 - Disclosure - Vessels - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureVesselsAdditionalInformationDetail Vessels - Additional Information (Detail) Details 45 false false R46.htm 100450 - Disclosure - Deferred charges - Deferred Charges (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredChargesDeferredChargesDetail Deferred charges - Deferred Charges (Detail) Details 46 false false R47.htm 100460 - Disclosure - Deferred charges - Deferred Charges (Parenthetical) (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredChargesDeferredChargesParentheticalDetail Deferred charges - Deferred Charges (Parenthetical) (Detail) Details 47 false false R48.htm 100470 - Disclosure - Deferred charges - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredChargesAdditionalInformationDetail Deferred charges - Additional Information (Detail) Details 48 false false R49.htm 100480 - Disclosure - Other assets - Schedule of Other Assets (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherAssetsScheduleOfOtherAssetsDetail Other assets - Schedule of Other Assets (Detail) Details 49 false false R50.htm 100490 - Disclosure - Other assets - Schedule of Other Assets (Parenthetical) (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherAssetsScheduleOfOtherAssetsParentheticalDetail Other assets - Schedule of Other Assets (Parenthetical) (Detail) Details 50 false false R51.htm 100500 - Disclosure - Deferred revenue - Deferred Revenue (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureDeferredRevenueDeferredRevenueDetail Deferred revenue - Deferred Revenue (Detail) Details 51 false false R52.htm 100520 - Disclosure - Long-term debt - Schedule of Long-Term Debt (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureLongTermDebtScheduleOfLongTermDebtDetail Long-term debt - Schedule of Long-Term Debt (Detail) Details 52 false false R53.htm 100530 - Disclosure - Long-term debt - Schedule of Long-Term Debt (Parenthetical) (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureLongTermDebtScheduleOfLongTermDebtParentheticalDetail Long-term debt - Schedule of Long-Term Debt (Parenthetical) (Detail) Details 53 false false R54.htm 100540 - Disclosure - Long-term debt - Schedule of Minimum Repayments for Balances Outstanding with Respect to Credit Facility (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureLongTermDebtScheduleOfMinimumRepaymentsForBalancesOutstandingWithRespectToCreditFacilityDetail Long-term debt - Schedule of Minimum Repayments for Balances Outstanding with Respect to Credit Facility (Detail) Details 54 false false R55.htm 100550 - Disclosure - Other long-term liabilities - Schedule of Other Long-Term Liabilities (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesDetail Other long-term liabilities - Schedule of Other Long-Term Liabilities (Detail) Details 55 false false R56.htm 100570 - Disclosure - Other long-term liabilities - Schedule of Other Long-Term Liabilities (Parenthetical) (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherLongTermLiabilitiesScheduleOfOtherLongTermLiabilitiesParentheticalDetail Other long-term liabilities - Schedule of Other Long-Term Liabilities (Parenthetical) (Detail) Details 56 false false R57.htm 100580 - Disclosure - Other long-term liabilities - Based on Maximum Amounts Funded Payments Under Leases Due to Lessors for All Five Vessels (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherLongTermLiabilitiesBasedOnMaximumAmountsFundedPaymentsUnderLeasesDueToLessorsForAllFiveVesselsDetail Other long-term liabilities - Based on Maximum Amounts Funded Payments Under Leases Due to Lessors for All Five Vessels (Detail) Details 57 false false R58.htm 100590 - Disclosure - Share Capital - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareCapitalAdditionalInformationDetail Share Capital - Additional Information (Detail) Details 58 false false R59.htm 100600 - Disclosure - Share Capital - Schedule of Preferred Shares Outstanding (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareCapitalScheduleOfPreferredSharesOutstandingDetail Share Capital - Schedule of Preferred Shares Outstanding (Detail) Details 59 false false R60.htm 100610 - Disclosure - Earnings per share - Schedule of Reconciliation of Numerator and Denominator Used in Basic and Diluted EPS Computations (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureEarningsPerShareScheduleOfReconciliationOfNumeratorAndDenominatorUsedInBasicAndDilutedEPSComputationsDetail Earnings per share - Schedule of Reconciliation of Numerator and Denominator Used in Basic and Diluted EPS Computations (Detail) Details 60 false false R61.htm 100620 - Disclosure - Share-based compensation - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensationAdditionalInformationDetail Share-based compensation - Additional Information (Detail) Details 61 false false R62.htm 100630 - Disclosure - Share-based compensation - Summary of Outstanding Restricted Shares, Phantom Share Units, SARs and Restricted Stock Units (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensationSummaryOfOutstandingRestrictedSharesPhantomShareUnitsSarsAndRestrictedStockUnitsDetail Share-based compensation - Summary of Outstanding Restricted Shares, Phantom Share Units, SARs and Restricted Stock Units (Detail) Details 62 false false R63.htm 100640 - Disclosure - Share-based compensation - Schedule of Assumptions to Calculate Fair Value of Stock Appreciation Rights (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensationScheduleOfAssumptionsToCalculateFairValueOfStockAppreciationRightsDetail Share-based compensation - Schedule of Assumptions to Calculate Fair Value of Stock Appreciation Rights (Detail) Details 63 false false R64.htm 100650 - Disclosure - Share-based compensation - Schedule of Information about Three Tranches of SARs Granted (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureShareBasedCompensationScheduleOfInformationAboutThreeTranchesOfSarsGrantedDetail Share-based compensation - Schedule of Information about Three Tranches of SARs Granted (Detail) Details 64 false false R65.htm 100660 - Disclosure - Other information - Schedule of Accounts Payable and Accrued Liabilities (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherInformationScheduleOfAccountsPayableAndAccruedLiabilitiesDetail Other information - Schedule of Accounts Payable and Accrued Liabilities (Detail) Details 65 false false R66.htm 100670 - Disclosure - Other information - Schedule of Supplemental Cash Flow Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureOtherInformationScheduleOfSupplementalCashFlowInformationDetail Other information - Schedule of Supplemental Cash Flow Information (Detail) Details 66 false false R67.htm 100680 - Disclosure - Commitments and contingent obligations - Schedule of Future Minimum Revenues to be Received on Committed Agreements (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligationsScheduleOfFutureMinimumRevenuesToBeReceivedOnCommittedAgreementsDetail Commitments and contingent obligations - Schedule of Future Minimum Revenues to be Received on Committed Agreements (Detail) Details 67 false false R68.htm 100690 - Disclosure - Commitments and contingent obligations - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligationsAdditionalInformationDetail Commitments and contingent obligations - Additional Information (Detail) Details 68 false false R69.htm 100700 - Disclosure - Commitments and contingent obligations - Schedule of Outstanding Commitments for Installment Payments for Vessels (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligationsScheduleOfOutstandingCommitmentsForInstallmentPaymentsForVesselsDetail Commitments and contingent obligations - Schedule of Outstanding Commitments for Installment Payments for Vessels (Detail) Details 69 false false R70.htm 100710 - Disclosure - Commitments and contingent obligations - Schedule of Commitment Under Operating Leases (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureCommitmentsAndContingentObligationsScheduleOfCommitmentUnderOperatingLeasesDetail Commitments and contingent obligations - Schedule of Commitment Under Operating Leases (Detail) Details 70 false false R71.htm 100720 - Disclosure - Concentrations - Schedule of Revenue Derived from Customers (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureConcentrationsScheduleOfRevenueDerivedFromCustomersDetail Concentrations - Schedule of Revenue Derived from Customers (Detail) Details 71 false false R72.htm 100730 - Disclosure - Financial instruments - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstrumentsAdditionalInformationDetail Financial instruments - Additional Information (Detail) Details 72 false false R73.htm 100740 - Disclosure - Financial instruments - Schedule of Outstanding Interest Rate Derivatives (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstrumentsScheduleOfOutstandingInterestRateDerivativesDetail Financial instruments - Schedule of Outstanding Interest Rate Derivatives (Detail) Details 73 false false R74.htm 100750 - Disclosure - Financial instruments - Schedule of Derivatives (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstrumentsScheduleOfDerivativesDetail Financial instruments - Schedule of Derivatives (Detail) Details 74 false false R75.htm 100760 - Disclosure - Financial instruments - Schedule of Financial Instruments, Effect of the Master Netting Agreement (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstrumentsScheduleOfFinancialInstrumentsEffectOfMasterNettingAgreementDetail Financial instruments - Schedule of Financial Instruments, Effect of the Master Netting Agreement (Detail) Details 75 false false R76.htm 100770 - Disclosure - Financial instruments - Schedule of Losses Reclassified from Accumulated Other Comprehensive Loss into Earnings (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureFinancialInstrumentsScheduleOfLossesReclassifiedFromAccumulatedOtherComprehensiveLossIntoEarningsDetail Financial instruments - Schedule of Losses Reclassified from Accumulated Other Comprehensive Loss into Earnings (Detail) Details 76 false false R77.htm 100780 - Disclosure - Subsequent events - Additional Information (Detail) Sheet http://www.seaspancorp.com/20151231/taxonomy/role/DisclosureSubsequentEventsAdditionalInformationDetail Subsequent events - Additional Information (Detail) Details 77 false false All Reports Book All Reports ssw-20151231.xml ssw-20151231.xsd ssw-20151231_cal.xml ssw-20151231_def.xml ssw-20151231_lab.xml ssw-20151231_pre.xml true true