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Long-term bank loans (Details Narrative) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Debt Instrument [Line Items] |  |  |
Cash and Cash Equivalents, at Carrying Value | $ 269,754 | $ 450,285 | $ 183,211
Debt Instrument, Covenant Compliance | As of December 31, 2022, the Company was in compliance with the applicable financial and other covenants contained in its bank loan agreements and lease financings described in Note 6. |  |
Long-Term Debt, Weighted Average Interest Rate, at Point in Time | 3.21% | 2.94% | 3.63%
Debt Instrument, Unused Borrowing Capacity, Fee | $ 7 | $ 93 | $ 65
Gain amount from valuation instrument |  | 307 |
Gain on hedging instrument | 9,474 | 436 |
Long-Term Debt [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Long-Term Debt, Gross | 1,103,594 |  |
Write off of Deferred Debt Issuance Cost | 2,192 | 3,612 | 3,701
Expenses on debt prepayments | 3,218 | 388 | $ 1,223
Minimum liquidity, not legally restricted [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Cash and Cash Equivalents, at Carrying Value | 64,000 | 64,000 |
Minimum liquidity, legally restricted [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Restriced cash and cash equivalents, current and non-current | $ 16,590 | 22,986 |
Amended and restated ING $210,600 Facility [Member] | Star Claudine, Star Ophelia, Star Lyra, Star Bianca, Star Flame and Star Mona [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance all outstanding amounts under the then existing lease agreements with CMBL of the vessels |  |
Number of Loan Tranches | 6 |  |
Draw down date | July 2020 |  |
Repayment installment | 24 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Proceeds from Lines of Credit | $ 70,000 |  |
Amended and restated ING $210,600 Facility [Member] | ING $310,600 Facility [member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Jun. 28, 2022 |  |
Description of scope, credit facility | in order to increase the financing by $100,000 and to include additional borrowers under the existing agreement |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 100,000 |  |
Number of Loan Tranches | 9 |  |
Draw down date | June 30, 2022 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Collateral | is secured by the vessels Peloreus, Leviathan, Star Magnanimus, Star Alessia, Star Claudine, Star Ophelia, Star Lyra, Star Bianca, Star Flame, Star Mona, Star Elizabeth, Star Pavlina, Madredeus, Star Vega, Star Capoeira, Star Carioca, Star Athena, Star Subaru, Star Bovarius, Star Lambada and Star Macarena. |  |
Amended and restated ING $210,600 Facility [Member] | ING $310,600 Facility [member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 9,895 |  |
Line of Credit Facility, Periodic Payment | 261 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 1,649 |  |
Amended and restated ING $210,600 Facility [Member] | ING $310,600 Facility [member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 12,368 |  |
Line of Credit Facility, Periodic Payment | 412 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 6,746 |  |
Amended and restated ING $210,600 Facility [Member] | Tranche A and B [Member] | Star Elizabeth and Star Pavlina [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to finance part of the acquisition cost of the vessels |  |
Number of Loan Tranches | 2 |  |
Draw down date | August 2021 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 294 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 14,118 |  |
Proceeds from Lines of Credit | $ 20,000 |  |
Amended and restated ING $210,600 Facility [Member] | October 2018 [Member] | Peloreus and Leviathan [Member] | Tranche A and B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance the outstanding amount under the then existing loan agreement of the vessels |  |
Number of Loan Tranches | 2 |  |
Repayment installment | 28 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 469 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 9,375 |  |
Proceeds from Lines of Credit | $ 22,500 |  |
Amended and restated ING $210,600 Facility [Member] | July 2019 [Member] | Peloreus and Leviathan [Member] | Tranche A and B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to finance the acquisition and installation of scrubber equipment for the vessels |  |
Number of Loan Tranches | 2 |  |
Repayment installment | 16 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 88 |  |
Proceeds from Lines of Credit | $ 1,400 |  |
Amended and restated ING $210,600 Facility [Member] | March and April 2019 [Member] | Star Magnanimus and Star Alessia [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance the outstanding amounts under the then existing lease agreements of the vessels |  |
Number of Loan Tranches | 2 |  |
Repayment installment | 28 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Amended and restated ING $210,600 Facility [Member] | March 2019 [Member] | Star Magnanimus and Star Alessia [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 535 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 17,120 |  |
Proceeds from Lines of Credit | 32,100 |  |
Amended and restated ING $210,600 Facility [Member] | April 2019 [Member] | Star Magnanimus and Star Alessia [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | 311 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 8,700 |  |
Proceeds from Lines of Credit | $ 17,400 |  |
Amended and restated ING $210,600 Facility [Member] | May and November 2019 [Member] | Star Magnanimus and Star Alessia [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to finance the acquisition and installation of scrubber equipment for the vessels |  |
Number of Loan Tranches | 2 |  |
Repayment installment | 16 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 88 |  |
Proceeds from Lines of Credit | $ 1,400 |  |
Citi $100,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Jul. 05, 2022 |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 100,000 |  |
Number of Loan Tranches | 2 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Maturity date | July 2027 |  |
Line of Credit Facility, Collateral | secured by the 12 aforementioned vessels. |  |
Citi $100,000 Facility [Member] | Tranche A [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to replenish the funds used in June for the extinguishment of the outstanding amounts under the lease agreements with CMBL for the vessels Star Sirius, Laura, Idee Fixe, Kaley and Roberta |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 48,341 |  |
Draw down date | July 18, 2022 |  |
Line of Credit Facility, Periodic Payment | $ 1,257 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 23,203 |  |
Citi $100,000 Facility [Member] | Tranche B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance the aggregate outstanding amount under the lease agreements with CMBL of the vessels Star Apus, Star Cleo, Star Columba, Star Dorado, Star Hydrus, Star Pegasus and Star Pyxis |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 51,659 |  |
Draw down date | August 29, 2022 |  |
Line of Credit Facility, Periodic Payment | $ 1,343 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 24,796 |  |
SEB $42,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Aug. 03, 2022 |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 42,000 |  |
Number of Loan Tranches | 3 |  |
Draw down date | August 3, 2022 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Maturity date | August 2027 |  |
Line of Credit Facility, Collateral | secured by the vessels Amami, Mercurial Virgo and Star Calypso. |  |
SEB $42,000 Facility [Member] | Minimum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 354 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 5,730 |  |
SEB $42,000 Facility [Member] | Maximum [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | 434 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 7,028 |  |
SEB $42,000 Facility [Member] | Tranche A [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 12,800 |  |
SEB $42,000 Facility [Member] | Tranche B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 13,500 |  |
SEB $42,000 Facility [Member] | Tranche A and B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance the aggregate outstanding amount of $29,295 under the then existing loan facility with HSBC France (the “HSBC 80,000 Facility”) |  |
SEB $42,000 Facility [Member] | Tranche C [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance the outstanding amount of $13,795 under the then existing loan facility with a wholly owned subsidiary of NTT Finance Corporation (the “NTT $17,600 Facility”) |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 15,700 |  |
CTBC $25,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Nov. 22, 2022 |  |
Description of scope, credit facility | to refinance the outstanding amount under the then existing lease agreement of the vessel Star Libra |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 25,000 |  |
Draw down date | November 30, 2022 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 563 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 13,750 |  |
Maturity date | November 2027 |  |
Line of Credit Facility, Collateral | is secured by the vessel Star Libra |  |
NTT $24,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Dec. 08, 2022 |  |
Description of scope, credit facility | to refinance the outstanding amount of the Star Virgo under the loan facility with Citibank (the “Citibank $62,600 Facility” |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 24,000 |  |
Draw down date | December 16, 2022 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 600 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 12,000 |  |
Maturity date | December 2027 |  |
Line of Credit Facility, Collateral | is secured by the vessel Star Virgo |  |
ABN AMRO $24,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Dec. 19, 2022 |  |
Description of scope, credit facility | to refinance the outstanding amount under the loan facility with SEB of the vessel Star Sienna |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 24,000 |  |
Draw down date | December 22, 2022 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 500 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 14,000 |  |
Maturity date | December 2027 |  |
Line of Credit Facility, Collateral | is secured by the vessel Star Sienna |  |
Standard Chartered $47,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Dec. 29, 2022 |  |
Description of scope, credit facility | to replenish the funds used in November for the extinguishment of the outstanding amounts of the vessels i) Star Marisa under the Citibank $62,600 Facility and ii) Star Laetitia under the loan facility with SEB, respectively |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 47,000 |  |
Number of Loan Tranches | 2 |  |
Draw down date | January 2023 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Maturity date | December 2027 |  |
Line of Credit Facility, Collateral | is secured by the two aforementioned vessels |  |
Debt Instrument, Unused Borrowing Capacity, Amount | $ 47,000 |  |
Standard Chartered $47,000 Facility [Member] | Tranche A [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 22,829 |  |
Line of Credit Facility, Periodic Payment | 476 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 13,317 |  |
Standard Chartered $47,000 Facility [Member] | Tranche B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 24,171 |  |
Line of Credit Facility, Periodic Payment | 465 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 14,874 |  |
SEB $39,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Jan. 22, 2021 |  |
Description of scope, credit facility | to finance the cash consideration for the E.R. Acquisition Vessels |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 39,000 |  |
Draw down date | January 25, 2021 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 1,950 |  |
Line of Credit Facility, Collateral | is secured by a first priority mortgage on the vessels Star Bueno, Star Borneo and Star Marilena |  |
Line of credit facility, maturity date | January 2026 |  |
NBG $125,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Jun. 24, 2021 |  |
Description of scope, credit facility | to refinance the outstanding amount under the then existing facility with DNB Bank ASA (DNB) |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 125,000 |  |
Draw down date | June 28, 2021 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 3,750 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 50,000 |  |
Line of Credit Facility, Collateral | is secured by first priority mortgages on vessels Big Bang, Big Fish, Pantagruel, Star Nasia, Star Danai, Star Renee, Star Markella, Star Laura, Star Moira, Star Jennifer, Star Mariella, Star Helena, Star Maria, Star Triumph, Star Angelina and Star Gwyneth. |  |
Line of credit facility, maturity date | June 2026 |  |
Proceeds from Lines of Credit | $ 125,000 |  |
NBG $125,000 Facility [Member] | Strange Attractor [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | 3,585 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 46,969 |  |
Prepayment date | September 2022 |  |
Debt instrument, prepayment amount | $ 5,511 |  |
DNB $107,500 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Sep. 28, 2021 |  |
Description of scope, credit facility | to refinance the aggregate outstanding amount of the financed vessels under the then existing facilities with (i) Credit Agricole Corporate and Investment Bank), (ii) Piraeus Bank and (iii) Bank of Tokyo |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 107,500 |  |
Draw down date | September 29, 2021 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 3,707 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 33,362 |  |
Line of Credit Facility, Collateral | is secured by first priority mortgages on the vessels Star Luna, Star Astrid, Star Genesis, Star Electra, Star Glory Star Monica, Star Borealis and Star Polaris. |  |
Line of credit facility, maturity date | September 2026 |  |
Proceeds from Lines of Credit | $ 107,500 |  |
ABN AMRO $97,150 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Oct. 27, 2021 |  |
Description of scope, credit facility | to refinance the outstanding amount under the then existing facility with Citibank |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 97,150 |  |
Number of Loan Tranches | 2 |  |
Draw down date | October 29, 2021 |  |
Line of Credit Facility, Collateral | is secured by a first priority mortgage on the vessels Star Pauline, Star Angie, Star Sophia, Star Georgia, Star Kamila, Star Nina, Star Eva, Star Paola, Star Aphrodite, Star Lydia and Star Nicole. |  |
Proceeds from Lines of Credit | $ 97,150 |  |
ABN AMRO $97,150 Facility [Member] | Tranche A [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 68,950 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 2,250 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 23,950 |  |
Line of credit facility, maturity date | October 2026 |  |
ABN AMRO $97,150 Facility [Member] | Tranche B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 28,200 |  |
Repayment installment | 12 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 2,350 |  |
Line of credit facility, maturity date | October 2024 |  |
Credit Agricole $62,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Oct. 29, 2021 |  |
Description of scope, credit facility | to refinance the aggregate outstanding amount under the then existing loan agreements with Alpha Bank S.A. and BNP Paribas and to prepay an amount of $1,999 under the Atradius Facility (discussed below), in connection with the vessels Star Despoina and Star Piera |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 62,000 |  |
Draw down date | November 2, 2021 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 8,800 |  |
Line of Credit Facility, Collateral | is secured by the vessels Star Martha, Star Sky, Stardust, Star Despoina and Star Piera. |  |
Line of credit facility, maturity date | November 2026 |  |
Proceeds from Lines of Credit | $ 62,000 |  |
Credit Agricole $62,000 Facility [Member] | First 3 installments [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | 3,000 |  |
Credit Agricole $62,000 Facility [Member] | Remaining 17 installments [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 2,600 |  |
HSBC Working Capital Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Feb. 06, 2020 |  |
Description of scope, credit facility | in order to finance working capital requirements |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 30,000 |  |
Line of credit facility, maturity date | February 2022 |  |
Long-Term Debt, Gross |  | $ 0 |
DSF $55,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Mar. 26, 2020 |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 55,000 |  |
Number of Loan Tranches | 2 |  |
Debt Instrument, Interest Rate Terms | fixed rate of 0.581% per annum |  |
DSF $55,000 Facility [Member] | Tranche A and B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | used to refinance the outstanding amounts under the then existing lease agreements of the vessels Star Eleni and Star Leo |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 27,500 |  |
Draw down date | March 30, 2020 |  |
Repayment installment | 10 |  |
Line of Credit Facility, Frequency of Payments | semi-annual |  |
Line of Credit Facility, Periodic Payment | $ 1,058 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 16,923 |  |
Line of Credit Facility, Collateral | is secured by a first priority mortgage on the two vessels |  |
Line of credit facility, maturity date | April 2025 |  |
CEXIM $57,564 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Dec. 01, 2020 |  |
Description of scope, credit facility | to refinance (i) the outstanding amount of the vessels Star Gina 2GR, Star Charis and Star Suzanna under the then existing facility with DNB and (ii) the outstanding amount under the lease agreement with CMBL of the vessel Star Wave |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 57,564 |  |
Number of Loan Tranches | 4 |  |
Draw down date | December 2020 |  |
Line of Credit Facility, Collateral | is secured by first priority mortgages on the four aforementioned vessels |  |
Line of credit facility, maturity date | December 2028 |  |
CEXIM $57,564 Facility [Member] | Star Wave [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 13,209 |  |
Line of Credit Facility, Periodic Payment | 330 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 2,642 |  |
CEXIM $57,564 Facility [Member] | Star Gina [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 26,175 |  |
Line of Credit Facility, Periodic Payment | 654 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 5,235 |  |
CEXIM $57,564 Facility [Member] | Star Wave and Star Gina [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment installment | 32 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of credit facility, maturity date | December 2028 |  |
CEXIM $57,564 Facility [Member] | Star Suzanna [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 9,090 |  |
CEXIM $57,564 Facility [Member] | Star Charis [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 9,090 |  |
CEXIM $57,564 Facility [Member] | Star Charis and Star Suzanna [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment installment | 32 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
E SUN Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Jan. 31, 2019 |  |
Description of scope, credit facility | to refinance the outstanding amount under the then existing lease agreement of the vessel Star Ariadne |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 37,100 |  |
Draw down date | March 1, 2019 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 618 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 24,733 |  |
Line of Credit Facility, Collateral | is secured by a first priority mortgage on the vessel Star Ariadne. |  |
Line of credit facility, maturity date | March 2024 |  |
Proceeds from Lines of Credit | $ 37,100 |  |
Atradius Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Feb. 28, 2019 |  |
Description of scope, credit facility | to finance the acquisition and installation of scrubber equipment for 42 vessels |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 36,645 |  |
Line of Credit Facility, Frequency of Payments | semi-annual |  |
Line of Credit Facility, Periodic Payment | $ 3,331 |  |
Line of Credit Facility, Collateral | is secured by a second-priority mortgage on 18 vessels of the Company’s fleet |  |
Line of credit facility, maturity date | June 2024 |  |
Atradius Facility [Member] | Star Despoina and Star Piera [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Prepayment date | September 2021 |  |
Debt instrument, prepayment amount | $ 1,999 |  |
Atradius Facility [Member] | First Three Tranches [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Draw down date | During 2019 |  |
Proceeds from Lines of Credit | $ 33,311 |  |
Atradius Facility [Member] | Last Tranche [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Draw down date | January 2020 |  |
Proceeds from Lines of Credit | $ 3,331 |  |
CTBC Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | May 24, 2019 |  |
Description of scope, credit facility | to refinance the outstanding amount under the then existing lease agreement of the vessel Star Karlie. |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 35,000 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 730 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 20,400 |  |
Line of Credit Facility, Collateral | is secured by first priority mortgage on the aforementioned vessel. |  |
Line of credit facility, maturity date | May 2024 |  |
NTT Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Jul. 31, 2019 |  |
Description of scope, credit facility | to refinance the outstanding amount of the vessel Star Aquarius under the then existing loan agreement. |  |
Draw down date | August 2019 |  |
Repayment installment | 27 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 313 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 9,063 |  |
Line of Credit Facility, Collateral | is secured by first priority mortgage on the vessel Star Aquarius |  |
Line of credit facility, maturity date | August 2026 |  |
Proceeds from Lines of Credit | $ 17,500 |  |
CEXIM $106,470 Facility [Member] | Tranche A, B and C [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Sep. 23, 2019 |  |
Description of scope, credit facility | to refinance the outstanding amounts under the then existing lease agreements of the vessels Katie K, Debbie H and Star Ayesha |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 106,470 |  |
Number of Loan Tranches | 3 |  |
Draw down date | November 2019 |  |
Repayment installment | 40 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 739 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 5,915 |  |
Line of Credit Facility, Collateral | is secured by first priority mortgages on the three aforementioned vessels. |  |
Proceeds from Lines of Credit | $ 35,490 |  |
ABN $115,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Dec. 17, 2018 |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 115,000 |  |
Number of Loan Tranches | 4 |  |
Line of Credit Facility, Collateral | is secured by a first priority mortgage on the vessels Star Virginia, Star Scarlett, Star Jeannette, Star Audrey, Star Bright, Star Marianne and Star Janni. |  |
ABN $115,000 Facility [Member] | Tranche A [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to refinance the then existing indebtedness of the vessels Star Virginia, Star Scarlett, Star Jeannette and Star Audrey |  |
Line of Credit Facility, Periodic Payment | $ 1,705 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 35,428 |  |
Proceeds from Lines of Credit | $ 69,525 |  |
ABN $115,000 Facility [Member] | Tranche B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to partially finance the acquisition cost of Star Bright. |  |
Line of Credit Facility, Periodic Payment | $ 282 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | 2,260 |  |
Proceeds from Lines of Credit | $ 7,900 |  |
ABN $115,000 Facility [Member] | Tranche A and B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Draw down date | December 20, 2018 |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of credit facility, maturity date | December 2023 |  |
ABN $115,000 Facility [Member] | Remaining two tranches [Member] | Tranche C and D [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Description of scope, credit facility | to partially finance the acquisition cost of Star Marianne and Star Janni |  |
Draw down date | January 2019 |  |
Repayment installment | 19 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 672 |  |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | $ 5,114 |  |
Line of credit facility, maturity date | December 2023 |  |
Proceeds from Lines of Credit | $ 17,875 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche A [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment installment | 20 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of credit facility, maturity date | June 2027 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche A, First 13 Installments [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 1,705 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche A, Fourteenth Installment [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | 2,218 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche A, Next Five Installments [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | 3,330 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche A, Last Installment [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 4,626 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche B [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment installment | 13 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 282 |  |
Line of credit facility, maturity date | December 2025 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche B, Last Installment [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 286 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche C and D [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Repayment installment | 13 |  |
Line of Credit Facility, Frequency of Payments | quarterly |  |
Line of Credit Facility, Periodic Payment | $ 672 |  |
Line of credit facility, maturity date | December 2025 |  |
ABN $115,000 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] | Tranche C and D last installment [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Periodic Payment | $ 413 |  |
ABN 67,897 Facility [Member] | Amended and Restated Agreement ABN $115,000 Facility [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Line of Credit Facility, Initiation Date | Aug. 04, 2022 |  |
Line of credit facility, maturity date | June 2027 |  |
Debt Instrument, Interest Rate Terms | lower margin above SOFR |  |

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