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Purchase option to acquire vessel under a financing arrangement.

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Amount of cash outflow for payment of financing arrangements.

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Amount of gross cash inflow received in a sale and leaseback transaction accounted for as financing arrangement.

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Seller’s credit agreement.

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

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Description of reference rate used for variable rate of debt instrument.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of the required periodic payment applied to principal.

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Weighted average interest rate of long-term debt outstanding calculated over time.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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The date of the transaction involving the sale of the property to another party and the lease of the property back to the seller.

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Long-term debt, net (Details Narrative) $ in Thousands	1 Months Ended		6 Months Ended
Long-term debt, net (Details Narrative) $ in Thousands	Jan. 27, 2021 USD ($)	Jan. 22, 2021 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Seller’s credit agreement			$ 6,000	$ 0
Repayments of financing arrangements			18,489	18,453
Repayments of Debt			68,117	134,968
Outstanding balance			46,740		$ 0
Deferred loan issuance cost			4,452		$ 5,338
Interest expense			$ 5,805	$ 7,664
Weighted average interest rate			3.00%	4.20%
M/V CMA CGM Magdalena [Member]
Debt Instrument [Line Items]
Repayments of Debt			$ 49,628
M/V Adonis [Member]
Debt Instrument [Line Items]
Outstanding balance			46,740
Deferred loan issuance cost			$ 752
CMTC [Member]
Debt Instrument [Line Items]
Seller’s credit agreement	$ 6,000
CMTC [Member] \| Sellers' Credit [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%
CMBFL Sale And Leaseback Transaction [Member] \| Each Of The Three Vessels [Member]
Debt Instrument [Line Items]
Sale Leaseback Transaction, Date		January 22, 2021
Sale and leaseback transaction gross cash inflow financing arrangement		$ 10,010
Debt Instrument, Term		5 years
Number of repayment installments		20
Line of Credit Facility, Frequency of Payments		quarterly
Line of Credit Facility, Periodic Payment, Principal		$ 275
Purchase option to acquire vessel under a financing arrangement		$ 4,505
Debt Instrument, Description of Variable Rate Basis		Libor
Debt Instrument, Basis Spread on Variable Rate		2.85%