Vessels, textuals (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Property Plant And Equipment [Abstract]
Costs Capitalised In Vessels	$ 594	$ 2,187
Advances And Other Costs For Vessels Under Construction And Acquisitions		6,634
Property Plant And Equipment Collateral For Debt	$ 179,414

Carrying amount at the balance sheet date of long-lived assets under construction that include construction costs to date on assets being constructed that are not ready to be placed into service and advances and costs paid for assets to be acquired that are not delivered yet

No definition available.

Name:	dcix_AdvancesAndOtherCostsForVesselsUnderConstructionAndAcquisitions
Namespace Prefix:	dcix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant