CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income (loss)	$ 364,189	$ (81,297)	$ (409,086)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Depreciation and amortization	99,769	94,241	90,036
Impairment expense	0	1,838	85,806
Debt extinguishment and commitment costs	5,329	8,144	0
Non-cash interest expense	4,218	5,663	6,902
Non-cash lower of cost and net realizable value adjustment	(463)	(10,132)	10,595
Change in value of common stock warrants	0	0	(4,270)
Deferred taxes	274	(260)	(20,895)
Gain on sale of assets, net	(169)	(64,697)	0
Stock-based compensation	9,353	8,165	7,342
Unrealized (gain) loss on derivative contracts	9,336	(1,393)	(3,322)
Equity losses from Laramie Energy, LLC	0	0	46,905
Net changes in operating assets and liabilities:
Trade accounts receivable	(57,391)	(83,955)	117,801
Prepaid and other assets	(35,356)	(6,321)	36,500
Inventories	(254,437)	(350,652)	171,880
Deferred turnaround expenditures	(29,608)	(9,451)	(49,770)
Obligations under inventory financing agreements	74,680	252,920	(190,831)
Accounts payable, other accrued liabilities, and operating lease ROU assets and liabilities	262,882	209,565	67,193
Net cash provided by (used in) operating activities	452,606	(27,622)	(37,214)
Cash flows from investing activities:
Acquisitions of businesses, net of cash acquired	(35,546)	0	0
Capital expenditures	(53,025)	(29,533)	(63,522)
Proceeds from sale of assets	1,263	104,161	58
Net cash provided by (used in) investing activities	(87,308)	74,628	(63,464)
Cash flows from financing activities:
Proceeds from sale of common stock, net of offering costs	0	87,193	0
Proceeds from borrowings	384,874	186,773	250,387
Repayments of borrowings	(446,863)	(329,315)	(159,489)
Net borrowings (repayments) on deferred payment arrangements and receivable advances	80,681	61,098	(41,645)
Purchase of common stock for retirement	(7,834)	(2,145)	(1,156)
Payments for debt extinguishment and commitment costs	(3,483)	(5,618)	0
Other financing activities, net	6,032	920	(5,538)
Net cash provided by (used in) financing activities	13,407	(1,094)	42,559
Net increase (decrease) in cash, cash equivalents, and restricted cash	378,705	45,912	(58,119)
Cash, cash equivalents, and restricted cash at beginning of period	116,221	70,309	128,428
Cash, cash equivalents, and restricted cash at end of period	494,926	116,221	70,309
Net cash received (paid) for:
Interest	(63,323)	(65,221)	(54,256)
Taxes	(51)	(795)	190
Non-cash investing and financing activities:
Accrued capital expenditures	5,418	8,177	4,686
Value of warrants reclassified to equity	0	0	3,936
ROU assets obtained in exchange for new finance lease liabilities	594	1,936	3,476
ROU assets obtained in exchange for new operating lease liabilities	64,567	97,011	22,529
ROU assets terminated in exchange for release from finance lease liabilities	0	0	0
ROU assets terminated in exchange for release from operating lease liabilities	$ 32,902	$ 6,847	$ 7,738