Operating leases: (Tables)

6 Months Ended

Jun. 30, 2026

Operating Leases

Operating leases - Operating lease liabilities of time charter-in vessel agreements (Table)

Twelve month periods ending		Amount
June 30, 2027	$	34,447
June 30, 2028		36,545
June 30, 2029		31,981
June 30, 2030		29,405
June 30, 2031		24,073
June 30, 2032 and thereafter		3,208
Total undiscounted lease payments	$	159,659
Discount based on incremental borrowing rate		(19,422)
Present value of lease liability	$	140,237
Operating lease liabilities, current		27,452
Operating lease liabilities, non-current		112,785

Operating leases - Operating lease liabilities of office rental agreements (Table)

Twelve month periods ending		Amount
June 30, 2027	$	1,049
June 30, 2028		725
June 30, 2029		446
June 30, 2030		130
June 30, 2031		14
Total undiscounted lease payments	$	2,364
Discount based on incremental borrowing rate		(177)
Present value of lease liability	$	2,187
Operating lease liabilities, current		964
Operating lease liabilities, non-current		1,223