v3.26.1
Segments (Details)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Summary of the Company's selected financial information              
Number of reportable segments | segment         2    
Income Statement              
Operating revenues $ 274,370   $ 262,154   $ 528,068 $ 515,461  
Voyage expenses (17,828)   (16,810)   (28,549) (34,945)  
Vessel operating expenses (56,688)   (56,385)   (106,672) (108,087)  
Depreciation (41,777)   (40,698)   (82,639) (80,726)  
Amortization of deferred drydocking and special survey costs (10,485)   (11,515)   (22,782) (22,485)  
Interest expense and finance costs (8,127)   (9,711)   (19,986) (19,714)  
Loss on debt extinguishment (1,405)   0   (6,027) 0  
Net Income 151,815 $ 140,421 130,904 $ 115,147 292,236 246,051  
Statement of Financial Position              
Total Assets 5,447,634       5,447,634   $ 5,113,930
Operating Segments              
Income Statement              
Operating revenues         528,068 515,461  
Voyage expenses         (28,549) (34,945)  
Vessel operating expenses         (106,672) (108,087)  
Depreciation         (82,639) (80,726)  
Amortization of deferred drydocking and special survey costs         (22,782) (22,485)  
Interest income (excluding interest income from investments in affiliates)         14,875 7,208  
Interest expense and finance costs         (19,986) (19,714)  
Loss on debt extinguishment         (6,027)    
Other segment items         (33,124) (28,050)  
Net Income per segment         243,164 228,662  
Gain on investments, dividend income, interest income from investments in affiliates and loss on equity investments         49,072 17,389  
Net Income         292,236 246,051  
Statement of Financial Position              
Total assets per segment 5,224,401   4,993,430   5,224,401 4,993,430  
Marketable securities 223,176   120,244   223,176 120,244  
Receivable from equity investments 57   256   57 256  
Total Assets 5,447,634   5,113,930   5,447,634 5,113,930  
Container vessels segment | Operating Segments              
Income Statement              
Operating revenues         468,200 475,636  
Voyage expenses         (13,773) (17,734)  
Vessel operating expenses         (91,959) (92,571)  
Depreciation         (75,419) (74,154)  
Amortization of deferred drydocking and special survey costs         (16,640) (18,252)  
Interest income (excluding interest income from investments in affiliates)         14,875 7,208  
Interest expense and finance costs         (19,986) (19,714)  
Loss on debt extinguishment         (6,027)    
Other segment items         (29,914) (25,481)  
Net Income per segment         229,357 234,938  
Statement of Financial Position              
Total assets per segment 4,865,518   4,717,465   4,865,518 4,717,465  
Drybulk vessels segment | Operating Segments              
Income Statement              
Operating revenues         59,868 39,825  
Voyage expenses         (14,776) (17,211)  
Vessel operating expenses         (14,713) (15,516)  
Depreciation         (7,220) (6,572)  
Amortization of deferred drydocking and special survey costs         (6,142) (4,233)  
Other segment items         (3,210) (2,569)  
Net Income per segment         13,807 (6,276)  
Statement of Financial Position              
Total assets per segment $ 358,883   $ 275,965   $ 358,883 $ 275,965