UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 99,449	$ 87,342
Accounts receivable, net of allowance for doubtful accounts of $216 and $225, respectively	81,277	87,162
Inventory	22,398	13,070
Derivative assets	0	112
Income tax receivable	4,147	2,735
Prepayments and other current assets	1,168	2,097
Total current assets	208,439	192,518
Property and equipment, net	31,958	46,325
Investments in unconsolidated affiliates	3,200	2,500
Cash deposits and other assets	4,932	5,529
Total assets	248,529	246,872
Current liabilities:
Accounts payable	89,339	79,897
Accounts payable – related party	0	53
Derivative liabilities	0	64
Current portion of capital lease obligations	306	0
Other current liabilities	5,860	6,060
Total current liabilities	95,505	86,074
Other long-term liabilities:
Asset retirement obligations	1,263	2,329
Capital lease obligations	1,465	0
Deferred taxes and other liabilities	5,943	7,157
Total liabilities	104,176	95,560
Commitments and contingencies (Note 10)
Shareholders’ equity:
Preferred stock - $1.00 par value, 960,000 shares authorized, none outstanding	0	0
Common stock - $.10 par value, 7,500,000 shares authorized, 4,217,596 shares outstanding	422	422
Contributed capital	11,693	11,693
Retained earnings	132,238	139,197
Total shareholders’ equity	144,353	151,312
Total liabilities and shareholders’ equity	$ 248,529	$ 246,872