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Operating leases | 12 Months Ended
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Dec. 31, 2024
Operating Leases |
Operating leases | 6. Operating leases: a) Time charter-in vessel agreements The carrying value of the assets and liabilities recognized in connection with the time charter-in vessel arrangements with an initial term exceeding 12 months as of December 31, 2023 and 2024 amounted to $27,548 and $181,618, respectively, and are included under “Operating leases, right-of-use assets” and “Operating lease liabilities current and non-current” in the consolidated balance sheets. The weighted average discount rate that was used for the recognition of these leases, which is the estimated annual incremental borrowing rate for this type of asset, is approximately 5.3%. The payments required to be made after December 31, 2024, for these outstanding operating lease liabilities, are as follows: Operating leases - Operating lease liabilities of time charter-in vessel agreements ( Table)
Twelve month periods ending |  | Amount
December 31, 2025 | $ | 36,445
December 31, 2026 |  | 35,232
December 31, 2027 |  | 35,661
December 31, 2028 |  | 36,049
December 31, 2029 |  | 28,549
December 31, 2030 and thereafter |  | 42,262
Total undiscounted lease payments | $ | 214,198
Discount based on incremental borrowing rate |  | (32,580)
Present value of lease liability | $ | 181,618
Operating lease liabilities, current |  | 27,290
Operating lease liabilities, non-current |  | 154,328
The weighted average remaining lease term of these charter-in vessels arrangements as of December 31, 2024 is 6.14 years. The charter-in hire expenses for these long-term charter-in arrangements for the year ended December 31, 2022, 2023 and 2024, were $11,944, $10,656 and $24,018, respectively, and are included under “Charter-in hire expenses” in the consolidated income statements. b) Office rental arrangements The carrying value of the assets and liabilities recognized in connection with the office rental arrangements as of December 31, 2023 and 2024 amounted to $277 and $2,891, respectively, and are included under “Operating leases, right-of-use assets” and “Operating lease liabilities current and non-current” in the consolidated balance sheets. The weighted average discount rate that was used for the recognition of these leases, which is the estimated annual incremental borrowing rate for this type of assets, is approximately 6.7%. The office rental payments required to be made after December 31, 2024, for these outstanding operating lease liabilities, are as follows: Operating leases - Operating lease liabilities of office rental arrangements (Table)
Twelve month periods ending |  | Amount
December 31, 2025 | $ | 1,029
December 31, 2026 |  | 980
December 31, 2027 |  | 643
December 31, 2028 |  | 552
December 31, 2029 |  | -
December 31, 2030 and thereafter |  | -
Total undiscounted lease payments | $ | 3,204
Discount based on incremental borrowing rate |  | (313)
Present value of lease liability | $ | 2,891
Operating lease liabilities, current |  | 937
Operating lease liabilities, non-current |  | 1,954
The weighted average remaining lease term of these office rent arrangements as of December 31, 2024 is 3.36 years. The lease expense for the Company’s office rental arrangements for the years ended December 31, 2022, 2023 and 2024, was $503, $574 and $1,387 respectively and is included under “General and administrative expenses” in the consolidated income statements.

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- Definition The entire disclosure for lessor's operating leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/842-30/tableOfContent + Details
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