UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 36,603	$ 33,256
Restricted cash	11,664	11,990
Accounts receivable, net of allowance for credit losses of $94 and $117, respectively	185,296	164,295
Inventory	27,326	19,827
Prepayments and other current assets	2,538	3,103
Total current assets	263,427	232,471
Property and equipment, net	104,659	105,065
Operating lease right-of-use assets, net	5,385	5,832
Intangible assets, net	7,563	7,985
Goodwill	6,673	6,673
Other assets	3,124	3,308
Total assets	390,831	361,334
Current liabilities:
Current portion of finance lease obligations	6,251	6,206
Current portion of operating lease liabilities	2,508	2,829
Current portion of long-term debt	2,500	2,500
Other current liabilities	15,492	16,150
Total current liabilities	246,172	210,787
Other long-term liabilities:
Long-term debt	16,750	19,375
Asset retirement obligations	2,529	2,514
Finance lease obligations	18,087	19,685
Operating lease liabilities	2,883	3,006
Deferred taxes and other liabilities	12,756	13,251
Total liabilities	299,177	268,618
Commitments and contingencies (Note 14)
Shareholders’ equity:
Preferred stock – $1.00 par value, 960,000 shares authorized, none outstanding	0	0
Common stock – $0.10 par value, 7,500,000 shares authorized, 2,566,649 and 2,547,154 shares outstanding, respectively	255	253
Contributed capital	21,879	21,802
Retained earnings	69,520	70,661
Total shareholders’ equity	91,654	92,716
Total liabilities and shareholders’ equity	390,831	361,334
Nonrelated Party
Current liabilities:
Accounts payable	$ 219,421	$ 183,102