Transactions with related parties, detail (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Monthly Administrative Fee	$ 10
Initial Annual Brokerage Fee		1,040
Annual Brokerage Fee	1,300
Commissions Percentage On Charters	1.00%
Monthly Management Fee Operating Vessels	15
Monthly Management Fee Laid Up Vessels	$ 20

Annual brokerage fee that is payable under a Broker Services Agreement after the completion of the company's public offering in June 2011.

No definition available.

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

No definition available.

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Annual brokerage fee that was payable under a Broker Services Agreement until the completion of the company's public offering in June 2011.

No definition available.

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Period Type:	duration

Monthly administrative fee payable under an Administrative Services Agreement signed between the Company and Diana Shipping Services SA.

No definition available.

Name:	dcix_MonthlyAdministrativeFee
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Period Type:	duration

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

No definition available.

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Namespace Prefix:	dcix_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

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

No definition available.

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Namespace Prefix:	dcix_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

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