Above Market Acquired Charters Abstract The entire disclosure for above market acquired charters. Above Market Acquired Charters Disclosure Text Block Above market acquired charters The asset arising from the market value of the charter assumed from a vessel owning company acquisition at the time of the acquisition. Above Market Acquired Charters Above market acquired charters (Note 6) The amortization of the asset arising from the market value of the charter assumed from a vessel owning company acquisition at the time of the acquisition. Amortization Above Market Acquired Charters Amortization of above market acquired charters (Note 6) Capital contribution made by the CMTC when the vessels were operated as part of CMTC's fleet. Capital Contribution By Cmtc Total Capital contribution by CMTC (Note 13) Capital contribution made by CMTC when the vessels were operated as part of CMTC's fleet. Capital Contributions By Cmtc Capital contributions by CMTC Unpaid capitalized vessel costs. Capitalized Vessel Costs Included In Liabilities Capitalized vessel costs included in liabilities Change in unpaid offering expenses. Change In Payable Offering Expenses Change in payable offering expenses Revenues arising from services provided to related parties according to the terms and conditions included in each time, voyage and bare boat charter agreement. Charter Revenues Related Party Revenues - related party (Note 4) Total revenues arising from services provided according to the terms and conditions included in each time, voyage and bare boat charter agreement. Charter Revenues Total Total revenues Revenues arising from services provided to charterers according to the terms and conditions included in each time, voyage and bare boat charter agreement. Charter Revenues Revenues Common Stockholder's Equity Common Stockholders Equity [Member] Common Stockholders Equity Conversion of subordinated units into common units on a one to one basis. Conversion Subordinated Units Conversion of subordinated units (Note 13) This element represents the difference of the historic cost between the exchanged vessels net of cash consideration paid. Difference Net Book Values Exchanged Vessels Net Cash Consideration Paid Difference of net book values of exchanged vessels net of cash consideration paid (Note 1) Document Entity Information The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. Equity Compensation Expense Equity compensation expense (Note 14) This element represents the excess of the purchase price over book value of vessels acquired from CMTC. Excess Purchase Price Over Book Value Vessels Acquired From Cmtc Cash Flow Excess of purchase price over book value of vessels acquired from entity under common control This element represents the Equity Impact of the excess of the purchase price over book value of vessels acquired from CMTC. Excess Purchase Price Over Book Value Vessels Acquired From Cmtc Equity Impact Excess of purchase price over acquired assets (Note 1) Fair value of acquiree's Equity Incentive Plan. Fair Value Acquiree Equity Incentive Plan Equity Impact Fair value of Crude's equity incentive plan attributable to precombination services (Note 3) Fair value of acquiree's Equity Incentive Plan. Fair Value Acquiree Equity Incentive Plan Fair value of Crude's equity incentive plan attributable to precombination services (Note 3) Fair value of Crude's Equity Incentive Plan attributable to precombination services (Note 3) Fair value of Net Assets acquired in business acquisition. Fair Value Net Assets Acquired Crude's net assets at the completion of the business acquisition (Note 12) The gain recognized by the entity in a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred at the time of the acquisition of the business. Gain From Bargain Purchase Cash Flow Gain from bargain purchase General Partner Dei [Member] General Partner Limited Partner Dei [Member] Limited Partner The cash inflow from the maturity of time deposits above three months. Maturity Short Term Investments Maturity of short term investments Net book value of vessels transferred in reduced by cash consideration. Net Book Value Vessels Transferred In Agamemnon Ayrton Less Cash Paid Net book value of vessels transferred-in, M/T Agamemnon II and M/T Ayrton II less cash paid. Net book value of vessels transferred out. Net Book Value Vessels Transferred Out Assos Atrotos Net book value of vessels transferred-out, M/T Assos and M/T Atrotos The portion of profit or loss for the period which is attributable to CMTC operations. Net Income Attributable to Cmtc Equity Impact Net income attributable to CMTC Net Income Attributable To Cmtc Operations Abstract Less: The portion of profit or loss for the period which is attributable to CMTC operations. Net Income Attributable To Cmtc Operations Net income attributable to CMTC operations Net income attributable to CMTC Net income (loss) allocated to each outstanding common limited partnership unit basic and diluted. Net Income Loss Per Outstanding Limited Partnership Unit Basic Diluted Net Income Loss Per Outstanding Limited Partnership Unit Basic And Diluted Common units (basic and diluted) Net income (loss) allocated to each outstanding subordinated limited partnership unit basic and diluted. Net Income Per Outstanding Subordinated Unit Basic Diluted Net Income Per Subordinated Unit Basic And Diluted Subordinated units (basic and diluted) Net income (loss) allocated to each outstanding limited partnership unit basic and diluted. Net Income Per Outstanding Total Unit Basic Diluted Total units (basic and diluted) Total units (basic and diluted) Net liabilities assumed upon contribution of the vessel owning companies to the partnership. Net Liabilities Assumed By Cmtc Upon Vessel Contribution To Partnership Net liabilities assumed by CMTC upon contribution of vessels to the Partnership (Note 12) Other Comprehensive Income Abstract Other comprehensive income: The entire disclosure for Partners Capital, Stockholders Equity and Distributions. Partners Capital Stockholders Equity Distributions Notes Disclosure Text Block Partners' Capital / Stockholders' Equity and Distributions Partner capital components are the parts of the total Partners' Capital balance before accumulated other comprehensive loss. Partners Capital Units [Member] Total Partners' Capital Partnership Net Income Equity Partnership net income This element represents payments for acquisitions, new building advances and capitalized improvements of vessels. Payments For Vessels Vessel acquisitions and new building advances (Note 5) The cash outflow to acquire above market bare boat charter assumed from a vessel owning company acquisition at the time of the acquisition. Payments To Acquire Above Market Bare Boat Charter Acquisition of above market bare-boat charter (Note 6) The cash inflow from the issuance of partnership's, general partner and common units during the period. Proceeds From Issuance Partnership Units Proceeds from issuance of Partnership units (Note 3) The cash outflow for time deposits above three months. Purchase Short Term Investments Purchase of short term investments Change in deferred offering expenses. Reduction In Deferred Offering Expenses Reduction in deferred offering expenses This reduction in stockholders' equity represents the equity which was retained by CMTC upon the contribution of its vessel owning companies to the Partnership. Retained Equity By Cmtc Equity Of Contributed Companies Retained By CMTC Equity of contributed companies retained by CMTC (Note 13) Subordinated Units Member Subordinated Capital Units [Member] Subordinated Limited Partners Issuance of units for business acquisition. Units Issued To Acquire Crude Equity Impact Issuance of Partnership's units for business acquisition - of Crude (Note 3) Issuance of units for business acquisition. Units Issued To Acquire Crude Units issued to acquire Crude (Note 3) Issuance of Partnership's units for business aqcuisition - of Crude (Note 3) Issuance of units for business acquisition. Units Issued To Acquire Patroklos Cash Flow Units issued to acquire Patroklos Issuance of units for business acquisition. Units Issued To Acquire Patroklos Equity Impact Issuance of Partnership units for business acquisition - of Patroklos Marine Corp. (Note 3) Related party vessel operating expenses consist of crewing, repairs and maintenance, insurance, stores, spares, lubricants, management fees and miscellaneous expenses. Vessel Operating Expenses Related Party Vessel operating expenses - related party (Notes 4, 10) Vessel operating expenses consist of crewing, repairs and maintenance, insurance, stores, spares, lubricants, management fees and miscellaneous expenses. Vessel Operating Expenses Vessel operating expenses (Note 10) Vessels Abstract This element represents vessels net of accumulated depreciation. Vessels Net Vessels, net (Note 5) The entire disclosure of vessels that are used in the normal conduct of business and not intended for resale. The disclosure may include, but not limited to, vessel additions, disposals, impairment and depreciation. Vessels Text Block Vessels Voyage Expenses And Vessel Operating Expenses Abstract Tabular disclosure of voyage and operating expenses relating to the operation and maintenance of the vessels, which are not separately disclosed in the income statement. Voyage Expenses And Vessel Operating Expenses Disclosure Text Block Voyage Expenses and Vessel Operating Expenses Related party vessel voyage expenses are direct expenses to charter revenues. Voyage Expenses Related Party Voyage expenses - related party (Note 4, 10) Vessel voyage expenses are direct expenses to charter revenues and consist of commissions, port expenses, canal dues bunkers and other. Voyage Expenses Voyage expenses (Note 10) The weighted average number of common limited partnership units issued and outstanding that are used in calculating earnings per common limited partnership unit basic and diluted. Weighted Average Common Units Outstanding Basic Diluted Weighted Average Common Units Outstanding Basic And Diluted Common units (basic and diluted) The weighted average number of subordinated limited partnership units issued and outstanding that are used in calculating earnings per subordinated limited partnership unit basic and diluted. Weighted Average Subordinated Units Outstanding Basic Diluted Weighted Average Subordinated Units Outstanding Basic And Diluted Subordinated units (basic and diluted) The weighted average number of limited partnership units issued and outstanding that are used in calculating earnings per limited partnership unit basic and diluted. Weighted Average Total Units Outstanding Basic Diluted Total units (basic and diluted) Total units (basic and diluted) Weighted Average Units Outstanding Abstract Weighted-average units outstanding: Amendment Description Amendment Flag Current FIscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Document and Entity Information [Line Items] Document and Entity Information Document and Entity Information [Table] Document Period End Date Document Type Entity Central Index Key Entity Common Stock Shares Outstanding Entity Current Reporting Status Entity Filer Category Entity Registrant Name Entity Voluntary Filers Entity Well Known Seasoned Issuer Significant Accounting Policies Abstract Accrued Liabilities Disclosure Accrued Liabilities Due to related parties (Note 4) Trade accounts payable Trade Accounts Receivable Trade accounts receivable Accrued Liabilities Abstract Accrued liabilities (Note 9) Accumulated other comprehensive loss (Notes 2, 8) Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Loss Acquired Finite Lived Intangible Asset Amount Adjustments To Additional Paid In Capital Share Based Compensation Adjustments to reconcile net income to net cash provided by operating activities Amortization Acquired Intangible Assets Amortization Deferred Charges Amortization of deferred charges Assets Current assets Total Current Assets Total current assets Total Non Current Assets Total non-current assets Total Assets Total assets Gain from bargain purchase (Note 3) Gain From Bargain Purchase Acquisitions Abstract Acquisitions Cash and cash equivalents acquired in business acquisition Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash Cash Equivalents Cash and cash equivalents Net Increase (Decrease) In Cash And Cash Equivalents Net increase / (decrease) in cash and cash equivalents Non-Cash Investing and Financing Activities Cash Flows Disclosure Cash Flow Class of Stock [Domain] Commitments and Contingencies Abstract Commitments Contingencies Disclosure Commitments and Contingencies Commitments and contingencies (Note 16) Common Class A Member Common Class B Member Common stockholders equity Common stockholders equity Common stockholders equity Comprehensive Income [Member] Comprehensive Income Comprehensive income Long-Term Debt Disclosure Abstract Long Term Debt Disclosure Text Block Long-term debt Disclosure Deferred charges, net Deferred Revenue Current (Note 4) Deferred revenue (Note 4) Deferred Revenue Long Term Deferred revenue Depreciation (Note 5) Vessel depreciation Financial Instruments Abstract Derivative Instruments Current Derivative instruments (Note 8) Financial Instruments Unrealized gain on derivative instruments (Note 8) Derivative Instruments Gain Recognized In Income Derivative Instruments In Hedges Liabilities At Fair Value Derivative Instruments Non Current Derivative instruments (Note 8) Disclosure Of Compensation Related Costs Omnibus Incentive Compensation Plan Omnibus Incentive Compensation Plan Abstract Distribution Made To Member Or Limited Partner Cash Distributions Paid Dividends paid Dividends declared and paid to unitholders (Note 13) Due From Related Parties Current Due from related parties (Note 4) Due From Related Parties Due From Related Parties (Note 4) Limited Partner's net income per (Note 15): Net Income Per Unit Abstract Earnings Per Share Disclosure Net Income Per Unit Equity Component [Domain] Gain on interest rate swap agreement (Note 8) General Administrative Expenses General and administrative expenses (Note 4) General Partner [Member] General Partner General Partner Hedging Liabilities Current Income Taxes Abstract Income Tax Disclosure Income Taxes Change In Trade Accounts Payable Trade accounts payable Change In Trade Accounts Receivable Trade accounts receivable Change In Accrued Liabilities Accrued liabilities Change In Deferred Revenue Deferred revenue Change In Due From Related Parties Due from related parties Change In Due to Related Parties Due to related parties Change In Inventory Inventories Changes in operating assets and liabilities: Change In Prepayments and Other Assets Prepayments and other assets Increase In Restricted Cash Additions to restricted cash Above Market Acquired Bare Boat Charter Interest Expense Finance Costs Interest expense and finance cost Cash paid for interest Inventories Interest and other income Liabilities Partners Capital Liabilities and Partners' Capital Total Liabilities Partners Capital Total liabilities and partners' capital Current liabilities Total Current Liabilities Total current liabilities Long Term Liabilities Long-term liabilities Total Long Term Liabilities Total long-term liabilities Total Liabilities Total liabilities Limited Partner [Member] Common Limited Partners Common Units Issued Common Units Outstanding Limited Partners - Common (69,372,077 and 37,946,183 units issued and outstanding at December 31, 2011 and 2010, respectively) Long Term Debt Abstract Current Portion Long Term Debt Current portion of long-term debt (Note 7) Long-term debt (Note 7) Long Term Debt Disclosure Cash flows from financing activities: Net Cash Used In Provided By Financing Activities Net cash (used in) / provided by financing activities Cash flows from investing activities: Net Cash Used In Investing Activities Net cash used in investing activities Cash flows from operating activities: Net Cash Provided By Operating Activities Net cash provided by operating activities General Partner's interest in Partnership's net income Limited Partners' interest in Partnership's net income Net Income Per Common Units Basic Diluted Partnership Net Income Partnership net income Partnership's net income Acquisition Above Market Time Charter Acquisition of above market time charter (Notes 3, 6) Non Operating Income Expense Net Non operating income (expense), net: Expenses: Operating Income Operating income Basis Of Presentation and General Information Abstract Basis Of Presentation And General Information Disclosure Basis Of Presentation and General Information Other non-current assets Other income (expense): Total Other Expense Net Total other expense, net Partner Capital Components [Domain] Partners Capital Abstract Partners' capital Partners' Capital / Stockholders' Equity and Distributions Abstract Partners Capital Account Distributions Dividends declared and paid to unitholders (Note 13) Issuance Partnership Units Issuance of Partnership units (Note 13)