00000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 00000002 - Statement - Unaudited Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00000003 - Statement - Unaudited Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000004 - Statement - Unaudited Interim Condensed Consolidated Income Statements link:presentationLink link:calculationLink link:definitionLink 00000005 - Statement - Unaudited Interim Condensed Consolidated Statements of Comprehensive Income/ (Loss) link:presentationLink link:calculationLink link:definitionLink 00000006 - Statement - Unaudited Interim Condensed Consolidated Statements of Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 00000007 - Statement - Unaudited Interim Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 00000008 - Statement - Unaudited Interim Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 999009 - Disclosure - Basis of Presentation and General Information: link:presentationLink link:calculationLink link:definitionLink 999010 - Disclosure - Significant accounting policies and recent accounting pronouncements: link:presentationLink link:calculationLink link:definitionLink 999011 - Disclosure - Transactions with Related Parties: link:presentationLink link:calculationLink link:definitionLink 999012 - Disclosure - Equity Method Investments: link:presentationLink link:calculationLink link:definitionLink 999013 - Disclosure - Inventories: link:presentationLink link:calculationLink link:definitionLink 999014 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction: link:presentationLink link:calculationLink link:definitionLink 999015 - Disclosure - Operating leases: link:presentationLink link:calculationLink link:definitionLink 999016 - Disclosure - Lease financings: link:presentationLink link:calculationLink link:definitionLink 999017 - Disclosure - Long-term bank loans & Revolving Facilities: link:presentationLink link:calculationLink link:definitionLink 999018 - Disclosure - Preferred and Common Shares and Additional Paid-in Capital: link:presentationLink link:calculationLink link:definitionLink 999019 - Disclosure - Earnings per Share: link:presentationLink link:calculationLink link:definitionLink 999020 - Disclosure - Equity Incentive Plans: link:presentationLink link:calculationLink link:definitionLink 999021 - Disclosure - Commitments and Contingencies: link:presentationLink link:calculationLink link:definitionLink 999022 - Disclosure - Fair value measurements and Hedging: link:presentationLink link:calculationLink link:definitionLink 999023 - Disclosure - Other operational gain: link:presentationLink link:calculationLink link:definitionLink 999024 - Disclosure - Voyage revenues: link:presentationLink link:calculationLink link:definitionLink 999025 - Disclosure - Segment Reporting: link:presentationLink link:calculationLink link:definitionLink 999026 - Disclosure - Subsequent Events: link:presentationLink link:calculationLink link:definitionLink 999027 - Disclosure - Inventories: (Tables) link:presentationLink link:calculationLink link:definitionLink 999028 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction: (Tables) link:presentationLink link:calculationLink link:definitionLink 999029 - Disclosure - Operating leases: (Tables) link:presentationLink link:calculationLink link:definitionLink 999030 - Disclosure - Lease financings: (Tables) link:presentationLink link:calculationLink link:definitionLink 999031 - Disclosure - Long-term bank loans & Revolving Facilities: (Tables) link:presentationLink link:calculationLink link:definitionLink 999032 - Disclosure - Earnings per Share: (Tables) link:presentationLink link:calculationLink link:definitionLink 999033 - Disclosure - Equity Incentive Plans: (Tables) link:presentationLink link:calculationLink link:definitionLink 999034 - Disclosure - Commitments and Contingencies: (Tables) link:presentationLink link:calculationLink link:definitionLink 999035 - Disclosure - Fair value measurements and Hedging: (Tables) link:presentationLink link:calculationLink link:definitionLink 999036 - Disclosure - Voyage revenues: (Tables) link:presentationLink link:calculationLink link:definitionLink 999037 - Disclosure - Basis of Presentation and General Information: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999038 - Disclosure - Transactions with Related Parties: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999039 - Disclosure - Equity Method Investments: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999040 - Disclosure - Inventories (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999041 - Disclosure - Vessels and other fixed assets, net - Schedules of vessels and other fixed assets, net (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999042 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction- Vessels under construction (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999043 - Disclosure - Vessels and other fixed assets, net, Vessel held for sale and Advances for vessels under construction: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999044 - Disclosure - Operating leases - Operating lease liabilities of time charter-in vessel agreements (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999045 - Disclosure - Operating leases - Operating lease liabilities of office rental agreements (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999046 - Disclosure - Operating leases: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999047 - Disclosure - Lease financings - Capital lease obligations, Principal payments (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999048 - Disclosure - Long-term bank loans - Principal repayments (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999049 - Disclosure - Long-term bank loans - Interest and finance costs (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999050 - Disclosure - Long-term bank loans & Revolving Facilities: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999051 - Disclosure - Preferred and Common Shares and Additional Paid-in Capital: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999052 - Disclosure - Earning per Share (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999053 - Disclosure - Equity Incentive Plans - Summary of non-vested restricted share options (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999054 - Disclosure - Equity Incentive Plans: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999055 - Disclosure - Commitments and Contingencies - Charter party agreements (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999056 - Disclosure - Commitments and Contingencies - Other Commitments (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999057 - Disclosure - Fair value measurements and Hedging - Derivative instruments effect on statements of operations (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999058 - Disclosure - Fair Value Measurements and Hedging - Fair value on a recurring basis - Quoted Prices in Active Markets (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999059 - Disclosure - Fair Value Measurements and Hedging- Amortized cost and fair value of AFS debt securities (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999060 - Disclosure - Fair value measurements and Hedging: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999061 - Disclosure - Other operational gain: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999062 - Disclosure - Voyage revenues (Table) (Details) link:presentationLink link:calculationLink link:definitionLink 999063 - Disclosure - Voyage revenues: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 999064 - Disclosure - Subsequent Events: (Details Narrative) link:presentationLink link:calculationLink link:definitionLink