The amount due from affiliate net the offsetting amount due to affiliate.

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The percentage of ownership of common stock or equity participation in the investee by other owners accounted for under the equity method of accounting.

+ References

No definition available.

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The number of vessels.

+ References

No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Dividends received on equity and other investments during the current period.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.

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Note 7 - Affiliates Balances (Details Textual) $ in Thousands			3 Months Ended			9 Months Ended		12 Months Ended
	Apr. 22, 2021 USD ($)	Jun. 22, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020	Sep. 03, 2021 USD ($)	Apr. 21, 2021 USD ($)
Accounts Receivable, Credit Loss Expense (Reversal)			$ 0	$ 0		$ (1,000)	$ 53,581
Number of Vessels						139		149
Repayments of Secured Debt						$ 39,259	$ 33,520
Sonatide Marine Ltd [Member]
Proceeds from Dividends Received		$ 17,200
Accounts Receivable, Credit Loss Expense (Reversal)					$ 41,500
Sonatide [Member]
Accounts Receivable, Credit Loss Expense (Reversal)						(1,000)
Due From Affiliate, Net of Due to Affiliate			8,600			8,600
Cash, Ending Balance									$ 11,200
Accounts Receivable, after Allowance for Credit Loss, Current, Total			$ 9,500			$ 9,500
DTDW [Member]
Accounts Receivable, Credit Loss Expense (Reversal)					12,100
Equity Method Investment, Ownership Percentage			40.00%			40.00%
Equity Method Investment, Ownership Percentage by Other Owners			60.00%			60.00%
Number of Vessels						1
Secured Long-term Debt, Noncurrent										$ 4,700
Repayments of Secured Debt	$ 2,000
Sonatide Marine Ltd [Member]
Dividends, Total					$ 35,000
Sonangol [Member] \| Sonatide Marine Ltd [Member]
Proceeds from Dividends Received		$ 17,800