UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 99,295	$ 97,825
Restricted cash	8,850	9,492
Accounts receivable, net of allowance for doubtful accounts of $103 and $108, respectively	212,454	137,789
Accounts receivable – related party	1	2
Inventory	42,382	18,942
Derivative assets	1,145	347
Income tax receivable	5,140	6,424
Prepayments and other current assets	1,705	2,389
Total current assets	370,972	273,210
Property and equipment, net	86,543	88,036
Operating lease right-of-use assets, net	6,699	7,113
Intangible assets, net	3,126	3,317
Other assets	2,777	3,027
Total assets	470,117	374,703
Current liabilities:
Accounts payable	259,451	168,224
Accounts payable – related party	47	0
Derivative liabilities	1,102	324
Current portion of finance lease obligations	3,293	3,663
Current portion of operating lease liabilities	2,258	2,178
Other current liabilities	10,828	11,622
Total current liabilities	276,979	186,011
Other long-term liabilities:
Asset retirement obligations	2,391	2,376
Finance lease obligations	8,903	9,672
Operating lease liabilities	4,445	4,938
Deferred taxes and other liabilities	11,878	11,320
Total liabilities	304,596	214,317
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, 4,367,866 and 4,355,001 shares outstanding, respectively	435	433
Contributed capital	17,020	16,913
Retained earnings	148,066	143,040
Total shareholders’ equity	165,521	160,386
Total liabilities and shareholders’ equity	$ 470,117	$ 374,703