CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 36,603	$ 80,577
Accounts receivable:
Trade - less allowance for doubtful accounts	519,741	483,406
Other	40,011	114,556
Inventories - net	504,514	461,848
Prepaid expense and other current assets	67,787	71,372
Total current assets	1,168,656	1,211,759
Property and equipment	5,580,411	5,452,143
Accumulated depreciation	(1,882,472)	(1,818,681)
Property and equipment - net	3,697,939	3,633,462
Operating lease right-of-use assets	152,504	154,507
Goodwill	438,748	438,748
Other intangibles, net	47,188	51,463
Other assets	69,544	64,985
Total assets	5,574,579	5,554,924
Current liabilities:
Bank notes payable	7,447	3,292
Income taxes payable	0	323
Accounts payable	279,519	278,081
Accrued liabilities	205,254	204,752
Current portion of operating lease liabilities	33,134	36,444
Deferred revenues	130,943	119,305
Total current liabilities	656,297	642,197
Long-term debt, net - less current portion	990,954	1,076,326
Deferred income taxes	656,528	625,884
Operating lease liabilities - less current portion	142,470	142,140
Other long-term liabilities	15,521	23,209
Total long-term liabilities	1,805,473	1,867,559
Contingencies and commitments	0	0
Kirby stockholders' equity:
Common stock, $0.10 par value per share. Authorized 120 million shares, issued 65.5 million shares	6,547	6,547
Additional paid-in capital	857,965	859,345
Accumulated other comprehensive income - net	18,996	16,853
Retained earnings	2,566,795	2,468,730
Treasury stock - at cost, 5.9 million shares at June 30, 2023 and 5.6 million at December 31, 2022	(339,659)	(308,598)
Total Kirby stockholders' equity	3,110,644	3,042,877
Noncontrolling interests	2,165	2,291
Total equity	3,112,809	3,045,168
Total liabilities and equity	$ 5,574,579	$ 5,554,924