The fixed bunker spread price under a bunker swap agreement.

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The ex-dividend date of a stock is the day on which the stock begins trading without the subsequent dividend value, in CCYY-MM-DD format.

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Amount of expected cash inflow from contractual arrangement with the lender.

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Volume measured in metric tons.

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Volume measured in metric tons per month.

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The number of tranches under the credit facility.

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No definition available.

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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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No definition available.

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- Definition

Description of the hedged item related to the derivative. Includes the type of instrument hedged, contract amount, term, and so forth.

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Date the entity entered into the derivative contract, in CCYY-MM-DD format.

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Date the derivative contract matures, in CCYY-MM-DD format.

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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- Definition

Discussion of whether the borrowings under the credit facility are secured or unsecured and, if secured, a description of collateral (for example, accounts receivable less than 120 days old, finished goods inventory).

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Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

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Date the credit facility first became available, in CCYY-MM-DD format.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) $ / shares in Units, $ in Thousands	1 Months Ended		2 Months Ended	3 Months Ended		12 Months Ended
	Feb. 06, 2020 USD ($)	Jan. 31, 2020 USD ($)	Feb. 29, 2020 USD ($)	Mar. 27, 2020 USD ($)	Mar. 23, 2020 USD ($)	Dec. 31, 2019 $ / shares	Mar. 30, 2020 USD ($)	Nov. 20, 2019 $ / shares
Subsequent Event [Line Items]
Dividends per share \| $ / shares								$ 0.05
Quarterly Dividend Declared
Subsequent Event [Line Items]
Dividends Payable, Date Declared						Feb. 19, 2020
Dividends per share \| $ / shares						$ 0.05
Dividends Payable, Date of Payment						Mar. 12, 2020
Dividends Payable, Date of Record						Mar. 02, 2020
Ex-dividend date						Feb. 28, 2020
DSF $55.0 million Facility \| Subsequent Event
Subsequent Event [Line Items]
Initiation date		Jan. 31, 2020
Maximum borrowing capacity		$ 55,000
Number of loan tranches		2
Vessels provided as collateral		The DSF $55.0 million Facility will be secured by first priority mortgages on the vessels Star Eleni and Star Leo.
Line of credit facility, description		The DSF $55.0 million Facility will be used to refinance the outstanding amounts under the lease agreements of Star Eleni and Star Leo.
DSF $55.0 million Facility \| Tranche A \| Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 27,500
Amount to be drawn down							$ 27,500
Repayment period		5 years
DSF $55.0 million Facility \| Tranche B \| Subsequent Event
Subsequent Event [Line Items]
Maximum borrowing capacity		$ 27,500
Amount to be drawn down							27,500
Repayment period		5 years
HSBC Working Capital Facility \| Subsequent Event
Subsequent Event [Line Items]
Initiation date	Feb. 06, 2020
Maximum borrowing capacity	$ 30,000
Amount drawn down			$ 8,834		$ 13,123
Amount to be drawn down							$ 2,225
Vessels provided as collateral	The HSBC Working Capital Facility is secured by second priority mortgage on the eight vessels which secure the HSBC $80,000 Facility.
Line of credit facility, description	The HSBC Working Capital Facility will be used to finance working capital requirements.
Bunker swaps \| ING Bank N.V. and Intercontinental Exchange Inc \| Subsequent Event
Subsequent Event [Line Items]
Metric Tons				70,000
Fixed bunker spread price				$ 146
Metric Tons per month				7,000
Derivative, Description of Hedged Item				In 2020 the Company entered into bunker swaps with ING Bank N.V. and Intercontinental Exchange, Inc (“ICE”) to hedge in aggregate 70,000 metric tons of its estimated fuel consumption by selling the Singapore spread between VLSFO – HSFO at an average price of $146 per ton for the period from March to December 2020 (7,000 metric tons per month). The effective date of these swaps is March 1, 2020 and the maturity date is December 31, 2020.
Inception date				Mar. 01, 2020
Maturity date				Dec. 31, 2020
Bunker swaps \| ING Bank N.V. \| Subsequent Event
Subsequent Event [Line Items]
Metric Tons				24,000
Fixed bunker spread price				$ 106
Metric Tons per month				2,000
Derivative, Description of Hedged Item				In addition, in 2020 the Company entered into a bunker swap with ING Bank N.V. to hedge in aggregate 24,000 metric tons of its estimated fuel consumption by selling the Singapore spread between VLSFO – HSFO at an average price of $106 per ton for the period from January to December 2021 (2,000 metric tons per month). The effective date of these swaps is January 1, 2021 and the maturity date is December 31, 2021.
Inception date				Jan. 01, 2021
Maturity date				Dec. 31, 2021