CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets
Cash and equivalents	$ 1,101,964	$ 841,483
Accounts receivable, net	897,838	703,565
Accounts receivable-related parties	25,179	26,219
Inventories	1,487,516	1,275,211
Other current assets	59,648	83,197
Total current assets	3,572,145	2,929,675
Property, plant and equipment, net	2,708,777	2,787,215
Restricted cash	17,092	18,060
Intangible assets, net	263,357	283,977
Goodwill	388,518	393,351
Other assets	10,848	11,454
Total assets	6,960,737	6,423,732
Current liabilities
Accounts payable	512,290	382,126
Accounts payable-related parties	16,393	13,070
Income taxes payable	5,596	5,593
Accrued payroll and benefits	171,508	164,543
Accrued interest	49,380	30,295
Accrued expenses	128,701	113,556
Current maturities of long-term debt	182,661	3,632
Total current liabilities	1,066,529	712,815
Long-term debt	2,351,483	2,353,194
Deferred income taxes	461,399	448,375
Other liabilities	20,305	20,649
Total liabilities	3,899,716	3,535,033
Commitments and contingencies
Redeemable noncontrolling interests	111,240	111,240
Equity
Common stock voting, $.0025 par value; 900,000,000 shares authorized; 264,161,359 and 264,130,544 shares issued; and 236,951,784 and 243,785,4 shares outstanding, as of September 30, 2017 and December 31, 2016, respectively	641	641
Treasury stock, at cost; 27,209,575 and 20,345,059 shares, as of September 30, 2017 and December 31, 2016 respectively	(650,210)	(416,829)
Additional paid-in capital	1,147,463	1,132,749
Retained earnings	2,606,831	2,210,459
Total Steel Dynamics, Inc. equity	3,104,725	2,927,020
Noncontrolling interests	(154,944)	(149,561)
Total equity	2,949,781	2,777,459
Total liabilities and equity	$ 6,960,737	$ 6,423,732