CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 214,733	$ 68,309
Restricted cash	2,000	2,000
Total cash, cash equivalents, and restricted cash	216,733	70,309
Trade accounts receivable, net of allowances of $0.5 million and $0.6 million at March 31, 2021 and December 31, 2020, respectively	155,886	111,657
Inventories	579,206	429,855
Prepaid and other current assets	24,913	24,648
Total current assets	976,738	636,469
Property, plant, and equipment
Property, plant, and equipment	1,158,438	1,183,878
Less accumulated depreciation, depletion, and amortization	(269,266)	(251,113)
Property, plant, and equipment, net	889,172	932,765
Long-term assets
Operating lease right-of-use assets	427,577	357,166
Intangible assets, net	18,227	18,892
Goodwill	127,997	127,997
Other long-term assets	62,759	60,572
Total assets	2,502,470	2,133,861
Current liabilities
Current maturities of long-term debt	58,816	59,933
Obligations under inventory financing agreements	592,621	423,686
Accounts payable	136,567	106,945
Deferred revenue	6,980	4,083
Accrued taxes	29,810	27,440
Operating lease liabilities	57,889	56,965
Other accrued liabilities	307,991	199,628
Total current liabilities	1,190,674	878,680
Long-term liabilities
Long-term debt, net of current maturities	597,185	648,660
Finance lease liabilities	7,350	7,925
Operating lease liabilities	375,384	304,355
Other liabilities	55,810	47,967
Total liabilities	2,226,403	1,887,587
Commitments and contingencies
Stockholders’ equity
Preferred stock, $0.01 par value: 3,000,000 shares authorized, none issued	0	0
Common stock, $0.01 par value; 500,000,000 shares authorized at March 31, 2021 and December 31, 2020, 60,141,841 shares and 54,002,538 shares issued at March 31, 2021 and December 31, 2020, respectively	601	540
Additional paid-in capital	814,467	726,504
Accumulated deficit	(539,255)	(477,028)
Accumulated other comprehensive income (loss)	254	(3,742)
Total stockholders’ equity	276,067	246,274
Total liabilities and stockholders’ equity	$ 2,502,470	$ 2,133,861
Preferred stock, shares authorized (in shares)	3,000,000	3,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	500,000,000	500,000,000