Transactions with related parties, textuals (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Related Party Transaction [Line Items]
Due to related parties, current	$ 136us-gaap_DueToRelatedPartiesCurrent	$ 170us-gaap_DueToRelatedPartiesCurrent
Interest expense on related party debt	3,247us-gaap_InterestExpenseRelatedParty	1,195us-gaap_InterestExpenseRelatedParty	0us-gaap_InterestExpenseRelatedParty
[DianaShippingServicesSaMember]
Related Party Transaction [Line Items]
Monthly administrative fee			10
Annual brokerage fee			1,300
Commissions percentage on charters			1.00%
Monthly management fee, operating vessels			15
Monthly management fee, laid up vessels			20
Due to related parties, current	0	0
[DianaShippingServicesSaMember] \| [ManagementFeesTotalMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	0	305	1,641
[DianaShippingServicesSaMember] \| [CommissionsMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	0	127	687
[DianaShippingServicesSaMember] \| [AdministrativeFeesMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	0	20	120
[DianaShippingServicesSaMember] \| [BrokerageFeesMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	0	217	1,300
[DianaShippingServicesSaMember] \| [ManagementFeesExpensedMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction			1,551
[DianaShippingServicesSaMember] \| [ManagementFeesCapitalizedMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction			90
[DianaEnterprisesIncMember]
Related Party Transaction [Line Items]
Monthly brokerage fee	121
Duration of the initial agreement in months		13
Contract maturity date	Mar. 31, 2015
Related party transaction, amounts of transaction	1,450	1,425	1,300
Due to related parties, current	0	16
[AltairTravelAgencySaMember]
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	1,007	971	0
Due to related parties, current	79	68
[DianaShippingIncMember]
Related Party Transaction [Line Items]
Due to related parties, current	57	86
Debt instrument issuance date	May 20, 2013
Debt instrument face amount	50,000
Debt instrument description of variable rate basis	Libor
Loan margin percentage	5.00%
Back-end fee percentage	1.25%
Debt instrument maturity date	Aug. 20, 2017
Interest expense on related party debt	3,247	1,195	0
Accrued back-end fee on related party debt	$ 867	$ 233
Weighted average interest rate	5.15%	5.17%

The accrued back-end fee as of the balance sheet dates.

No definition available.

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- Definition

The term of the initial agreement between the Company and Diana Enterprises Inc, expressed in months.

+ References

No definition available.

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- Definition

Annual brokerage fee that was payable through DSS under a Broker Services Agreement.

+ References

No definition available.

+ Details

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- Definition

Per annum percentage of the fee payable to the Lender on the earlier of the repayment date or any date on which a voluntary prepayment is paid, calculated on the total amount outstanding at the time of repayment or on the amount of prepayment on a prepayment date.

+ References

No definition available.

+ Details

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- Definition

The commission percentage paid on gross charter hire to a broker, or the manager.

+ References

No definition available.

+ Details

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- Definition

Monthly administrative fee payable under an Administrative Services Agreement.

+ References

No definition available.

+ Details

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- Definition

Monthly brokerage fee payable under a Broker Services Agreement, effective March 1, 2013.

+ References

No definition available.

+ Details

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- Definition

The monthly fee paid under a management agreement for the management for laid-up vessels.

+ References

No definition available.

+ Details

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- Definition

The monthly fee paid under a management agreement for the management for operating vessels.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

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-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Paragraph 1

-Subparagraph (SX 210.5-02.22(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Subparagraph (SX 210.5-02.22(a)(2))

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(k)(1))

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-Publisher FASB

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-Topic 850

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (d)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 08

-Paragraph k

-Subparagraph 1

-Article 4

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

-Paragraph 19

-Subparagraph a

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(a))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Balance Type:	credit
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- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Amount of transactions with related party during the financial reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 850

-SubTopic 10

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-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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Balance Type:	debit
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- Definition

Date of maturity or expiration of arrangements with a related party (for example, but not limited to, leasing and debt arrangements between related parties), in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Details

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- Details

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