CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets
Cash and equivalents	$ 966,826	$ 841,483
Accounts receivable, net	860,676	703,565
Accounts receivable-related parties	22,471	26,219
Inventories	1,361,550	1,275,211
Other current assets	33,442	83,197
Total current assets	3,244,965	2,929,675
Property, plant and equipment, net	2,760,544	2,787,215
Restricted cash	17,846	18,060
Intangible assets, net	276,553	283,977
Goodwill	391,740	393,351
Other assets	12,387	11,454
Total assets	6,704,035	6,423,732
Current liabilities
Accounts payable	514,788	382,126
Accounts payable-related parties	16,170	13,070
Income taxes payable	80,741	5,593
Accrued payroll and benefits	106,733	164,543
Accrued interest	50,650	30,295
Accrued expenses	109,400	113,556
Current maturities of long-term debt	2,965	3,632
Total current liabilities	881,447	712,815
Long-term debt	2,353,744	2,353,194
Deferred income taxes	454,426	448,375
Other liabilities	19,711	20,649
Total liabilities	3,709,328	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 264,135,545 and 264,130,544 shares issued; and 242,110,745 and 243,785,485 shares outstanding, as of March 31, 2017 and December 31, 2016, respectively	641	641
Treasury stock, at cost; 22,024,800 and 20,345,059 shares, as of March 31, 2017 and December 31, 2016 respectively	(475,072)	(416,829)
Additional paid-in capital	1,135,892	1,132,749
Retained earnings	2,373,718	2,210,459
Total Steel Dynamics, Inc. equity	3,035,179	2,927,020
Noncontrolling interests	(151,712)	(149,561)
Total equity	2,883,467	2,777,459
Total liabilities and equity	$ 6,704,035	$ 6,423,732