CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 74,444	$ 32,577
Accounts receivable:
Trade - less allowance for doubtful accounts of $7,321 ($7,636 in 2023)	489,857	526,691
Other	46,888	52,025
Inventories - net	393,898	454,389
Prepaid expenses and other current assets	63,472	69,479
Total current assets	1,068,559	1,135,161
Property and equipment - net	4,022,966	3,861,105
Operating lease right-of-use assets	158,990	152,216
Investment in affiliates	2,900	2,576
Goodwill	438,748	438,748
Other intangibles, net	34,406	42,927
Other assets	125,383	89,464
Total assets	5,851,952	5,722,197
Current liabilities:
Bank notes payable	8,226	8,068
Income taxes payable	25,417	1,486
Accounts payable	251,354	269,378
Accrued liabilities:
Interest	11,975	13,114
Insurance premiums and claims	88,432	84,825
Employee compensation	68,298	69,075
Taxes - other than on income	35,854	31,555
Other	32,254	30,377
Current portion of operating lease liabilities	35,727	33,340
Deferred revenues	177,216	134,577
Total current liabilities	734,753	675,795
Long-term debt, net - less current portion	866,722	1,008,527
Deferred income taxes	739,472	696,557
Operating lease liabilities - less current portion	148,170	138,811
Other long-term liabilities	9,587	15,830
Total long-term liabilities	1,763,951	1,859,725
Contingencies and commitments	0	0
Kirby stockholders' equity:
Common stock, $0.10 par value per share. Authorized 120,000,000 shares, issued 65,472,000	6,547	6,547
Additional paid-in capital	868,763	863,963
Accumulated other comprehensive income - net	71,192	35,006
Retained earnings	2,978,372	2,691,665
Treasury stock - at cost, 8,215,000 shares in 2024 and 6,843,000 shares in 2023	(573,061)	(411,750)
Total Kirby stockholders' equity	3,351,813	3,185,431
Noncontrolling interests	1,435	1,246
Total equity	3,353,248	3,186,677
Total liabilities and equity	$ 5,851,952	$ 5,722,197