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Derivative Financial Instruments - Interest rate swaps held for trading (Details) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) item | Nov. 30, 2020 | Mar. 31, 2020
Interest rate swaps held for trading |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Notional Amount | $ 133,333 | $ 343,333 |  |  |
Unrealized gain (loss) on derivatives held for trading | $ 12,821 | $ 11,092 | $ (8,623) |  |
Gaslog Partners with GasLog, fixed interest rate of 1.72%/1.52% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Fixed Interest Rate |  | 1.72% |  | 1.52% | 1.72%
Notional Amount |  | $ 130,000 |  |  |
Trade date |  | Nov 2016 |  |  |
Effective date |  | Nov 2016 |  |  |
Termination date |  | July 2022 |  |  |
Decrease in interest rate due to collateral |  |  |  |  | (0.20%)
Gaslog Partners with GasLog, fixed interest rate of 2.19%/1.99% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Fixed Interest Rate |  | 2.19% |  | 1.99% | 2.19%
Notional Amount |  | $ 80,000 |  |  |
Trade date |  | July 2017 |  |  |
Effective date |  | July 2017 |  |  |
Termination date |  | June 2022 |  |  |
Decrease in interest rate due to collateral |  |  |  |  | (0.20%)
Gaslog Partners with GasLog, fixed interest rate of 3.15%/2.95% and 3.14%/2.94% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Notional Amount |  |  | $ 155,000 |  |
Number of terminated agreements | item |  |  | 2 |  |
Payment made on termination of agreement |  |  | $ 13,210 |  |
GAS-twenty seven Ltd with DNB Bank ASA and Ing Bank N.V |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Notional Amount |  |  | $ 133,333 |  |
Number of agreements entered into | item |  |  | 4 |  |
Payment received on entering into agreement |  |  | $ 16,056 |  |
GAS-twenty seven Ltd with DNB Bank ASA, fixed interest rate of 3.146% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Fixed Interest Rate | 3.146% |  |  |  |
Notional Amount | $ 48,889 | $ 48,889 |  |  |
Trade date | July 2020 |  |  |  |
Effective date | July 2020 |  |  |  |
Termination date | July 2024 |  |  |  |
GAS-twenty seven Ltd with DNB Bank ASA, fixed interest rate of 3.069% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Fixed Interest Rate | 3.069% |  |  |  |
Notional Amount | $ 40,000 | 40,000 |  |  |
Trade date | July 2020 |  |  |  |
Effective date | July 2020 |  |  |  |
Termination date | April 2025 |  |  |  |
GAS-twenty seven Ltd with ING Bank N.V, fixed interest rate of 3.24% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Fixed Interest Rate | 3.24% |  |  |  |
Notional Amount | $ 24,444 | 24,444 |  |  |
Trade date | July 2020 |  |  |  |
Effective date | July 2020 |  |  |  |
Termination date | July 2024 |  |  |  |
GAS-twenty seven Ltd with ING Bank N.V, fixed interest rate of 3.176% |  |  |  |  |
Disclosure of detailed information about financial instruments |  |  |  |  |
Fixed Interest Rate | 3.176% |  |  |  |
Notional Amount | $ 20,000 | $ 20,000 |  |  |
Trade date | July 2020 |  |  |  |
Effective date | July 2020 |  |  |  |
Termination date | April 2025 |  |  |  |

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