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Represent the maximum percentage of total consolidated liabilities divided by its total consolidated assets, based on the market value of all vessels owned or leased on a finance lease taking into account their employment and the book value of all other assets, applicable during the end of the current fiscal year and onwards.

No definition available.

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Debt Instrument, Covenant, Minimum EBITDA To Interest Expense

No definition available.

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The maximum amount of consolidated debt outstanding in relation to the vessels owned by the Company as of the current fiscal year end.

No definition available.

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Minimum Value Covenant is minimum fair vessel value ratio to outstanding loan principal requirements applicable during the end of the current fiscal year and onwards.

No definition available.

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Mininum cash balance of loan and credit facility agrrements as collateral deposit with restrictive liquidity covenant

No definition available.

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Represents the minimum amount of total consolidated assets, based on the market value of all vessels owned or leased on a finance lease taking into account their employment and the book value of all other assets, less total consolidated liabilities (Net Worth Covenant) applicable during the end of the current fiscal year and onwards.

No definition available.

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Number Of Vessels Subject to Debt Covenant

No definition available.

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Number of Vessels Sold and Leased Back

No definition available.

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Sale Leaseback Transaction, Purchase Obligation

No definition available.

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Sale Leaseback Transaction, Repurchase Period

No definition available.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Weighted average interest rate of debt outstanding.

No definition available.

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Amount of interest capitalized during the period.

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Total interest costs incurred during the period and either capitalized or charged against earnings.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

No definition available.

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A description of the terms of the lease(s) related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

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Name:	srt_RangeAxis=srt_MinimumMember
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Name:	srt_RangeAxis=srt_MaximumMember
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Name:	srt_CounterpartyNameAxis=sb_HajioannouFamilyMember
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Name:	us-gaap_DebtInstrumentAxis=sb_OneDebtInstrumentMember
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Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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