CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 587,500	$ 644,333
Other comprehensive income - net unrealized (loss) gain on cash flow hedging derivatives, net of income tax benefit of $139 and income tax expense of $291 for the three months ended March 31, 2024 and 2023, respectively	(434)	911
Comprehensive income	587,066	645,244
Comprehensive income attributable to noncontrolling interests	(3,459)	(7,023)
Comprehensive income attributable to Steel Dynamics, Inc.	$ 583,607	$ 638,221