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Long-term debt - Information Per Loan 2 (Details) $ in Thousands | 1 Months Ended | 2 Months Ended | 3 Months Ended | 5 Months Ended | 8 Months Ended | 11 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 06, 2020 USD ($) | Feb. 29, 2020 USD ($) | Mar. 23, 2020 USD ($) | May 31, 2019 USD ($) | Aug. 31, 2019 USD ($) | Nov. 30, 2019 USD ($) | Dec. 31, 2019 USD ($)
Citibank $62,600 Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Initiation date |  |  |  |  |  |  | May 08, 2019
Amount drawn down |  |  |  | $ 62,563 |  |  |
Number of installments |  |  |  |  |  |  | 20
Frequency of payments |  |  |  |  |  |  | quarterly
Repayment installment |  |  |  |  |  |  | $ 1,298
Balloon installment |  |  |  |  |  |  | $ 36,611
Expiration date |  |  |  |  |  |  | May 31, 2024
Vessels provided as collateral |  |  |  |  |  |  | The Citibank $62,600 Facility is secured by a first priority mortgage on the vessels Star Virgo and Star Marisa.
Line of credit facility, description |  |  |  |  |  |  | The Citibank $62,600 Facility was used together with cash on hand to refinance the outstanding amounts under the lease agreements of the Star Virgo and the Star Marisa.
CTBC Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Initiation date |  |  |  |  |  |  | May 24, 2019
Maximum borrowing capacity |  |  |  |  |  |  | $ 35,000
Amount drawn down |  |  |  | $ 35,000 |  |  |
Number of installments |  |  |  |  |  |  | 20
Frequency of payments |  |  |  |  |  |  | quarterly
Repayment installment |  |  |  |  |  |  | $ 730
Balloon installment |  |  |  |  |  |  | $ 20,400
Expiration date |  |  |  |  |  |  | May 31, 2024
Vessels provided as collateral |  |  |  |  |  |  | The CTBC Facility is secured by a first priority mortgage on the vessel Star Karlie.
Line of credit facility, description |  |  |  |  |  |  | The CTBC Facility was used to refinance the outstanding amount under the lease agreement of the Star Karlie.
NTT Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Initiation date |  |  |  |  |  |  | Jul. 31, 2019
Maximum borrowing capacity |  |  |  |  |  |  | $ 17,500
Amount drawn down |  |  |  |  | $ 17,500 |  |
Number of installments |  |  |  |  |  |  | 27
Frequency of payments |  |  |  |  |  |  | quarterly
Repayment installment |  |  |  |  |  |  | $ 313
Balloon installment |  |  |  |  |  |  | $ 9,063
Expiration date |  |  |  |  |  |  | Aug. 31, 2026
Vessels provided as collateral |  |  |  |  |  |  | The NTT Facility is secured by a first priority mortgage on the Star Aquarius.
Line of credit facility, description |  |  |  |  |  |  | The NTT Facility was used to refinance the outstanding loan amount of $11,161 of the Star Aquarius under the "NIBC $32,000 Facility".
NIBC $32,000 Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Repayments of debt |  |  |  |  | $ 11,161 |  |
CEXIM $106,470 Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Initiation date |  |  |  |  |  |  | Sep. 23, 2019
Maximum borrowing capacity |  |  |  |  |  |  | $ 106,470
Vessels provided as collateral |  |  |  |  |  |  | The CEXIM $106,470 Facility is secured by first priority mortgages on the vessels Katie K, Debbie H and Star Ayesha.
Line of credit facility, description |  |  |  |  |  |  | The CEXIM $106,470 Facility was used to refinance the outstanding amount under the lease agreements of the Katie K, the Debbie H and Star Ayesha.
Number of loan tranches |  |  |  |  |  |  | 3
CEXIM $106,470 Facility | Tranche A |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 35,490
Amount drawn down |  |  |  |  |  | $ 35,490 |
Number of installments |  |  |  |  |  |  | 40
Frequency of payments |  |  |  |  |  |  | quarterly
Repayment installment |  |  |  |  |  |  | $ 739
Balloon installment |  |  |  |  |  |  | 5,915
CEXIM $106,470 Facility | Tranche B |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 35,490
Amount drawn down |  |  |  |  |  | 35,490 |
Number of installments |  |  |  |  |  |  | 40
Frequency of payments |  |  |  |  |  |  | quarterly
Repayment installment |  |  |  |  |  |  | $ 739
Balloon installment |  |  |  |  |  |  | 5,915
CEXIM $106,470 Facility | Tranche C |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 35,490
Amount drawn down |  |  |  |  |  | $ 35,490 |
Number of installments |  |  |  |  |  |  | 40
Frequency of payments |  |  |  |  |  |  | quarterly
Repayment installment |  |  |  |  |  |  | $ 739
Balloon installment |  |  |  |  |  |  | $ 5,915
HSBC Working Capital Facility | Subsequent Event |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Initiation date | Feb. 06, 2020 |  |  |  |  |  |
Maximum borrowing capacity | $ 30,000 |  |  |  |  |  |
Amount drawn down |  | $ 8,834 | $ 13,123 |  |  |  |
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. |  |  |  |  |  |

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