XML 48 R26.htm IDEA: XBRL DOCUMENT
v3.22.4

Equity-Based Incentive Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Equity-Based Incentive Plans |
Schedule of Restricted Stock Units Award Activity | A summary of the company’s RSU activity and outstanding RSUs as of December 31, 2022, are presented below (dollars in thousands except grant date fair value):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Weighted | ​ | Aggregate | ​ | ​ | ​
​ | Number | ​ | Average Grant | ​ | Intrinsic | ​ | Unrecognized
​ | of RSUs | ​ | Date Fair Value | ​ | Value | ​ | Compensation
Outstanding RSUs as of January 1, 2020 | 1,557,994 | ​ | $ | 32.53 | ​ | $ | 53,034 | ​ | $ | 33,581
Granted | 1,017,518 | ​ | ​ | 33.54 | ​ | ​ | ​ | ​ | ​ | ​
Vested | (811,317) | ​ | ​ | 36.09 | ​ | ​ | ​ | ​ | ​ | ​
Forfeited | (65,616) | ​ | ​ | 32.20 | ​ | ​ | ​ | ​ | ​ | ​
As of December 31, 2020 | 1,698,579 | ​ | $ | 31.44 | ​ | $ | 62,627 | ​ | $ | 35,821
Granted | 627,973 | ​ | ​ | 59.38 | ​ | ​ | ​ | ​ | ​ | ​
Vested | (895,706) | ​ | ​ | 32.30 | ​ | ​ | ​ | ​ | ​ | ​
Forfeited | (82,588) | ​ | ​ | 32.47 | ​ | ​ | ​ | ​ | ​ | ​
As of December 31, 2021 | 1,348,258 | ​ | $ | 43.82 | ​ | $ | 83,686 | ​ | $ | 39,657
Granted | 481,926 | ​ | ​ | 98.29 | ​ | ​ | ​ | ​ | ​ | ​
Vested | (786,622) | ​ | ​ | 37.38 | ​ | ​ | ​ | ​ | ​ | ​
Forfeited | (70,011) | ​ | ​ | 46.82 | ​ | ​ | ​ | ​ | ​ | ​
As of December 31, 2022 (nonvested) | 973,551 | ​ | $ | 71.80 | ​ | $ | 94,765 | ​ | $ | 44,394
​
Schedule of Performance Period Transition Awards | The Compensation Committee granted the following three-year performance period awards and two-year performance period transition awards, which have been earned and have or will be issued over the vesting period as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Maximum | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Shares That | ​ | Award | ​ | ​ | ​ | ​
​ | ​ | Could Be Issued | ​ | Earned | ​ | Award Issued/Issuable
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | 2017 LTIP Award: | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three-year performance period award | 182,274 | ​ | 164,047 | ​ | 54,683 | ​ | March 2020
​ | ​ | ​ | ​ | ​ | ​ | 54,682 | ​ | March 2021
​ | ​ | ​ | ​ | ​ | ​ | 54,682 | ​ | March 2022
​ | 2019 LTIP Award: | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three-year performance period award | 422,008 | ​ | 379,811 | ​ | 379,811 | ​ | March 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | 2020 LTIP Award: | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three-year performance period award | 405,922 | ​ | 356,845 | ​ | 356,845 | ​ | March 2023
​ | Two-year performance period transition award | 9,764 | ​ | 8,300 | ​ | 8,300 | ​ | March 2022
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | 2021 LTIP Award: | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three-year performance period award | 360,189 | ​ | * | ​ | * | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | 2022 LTIP Award: | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three-year performance period award | 249,759 | ​ | * | ​ | * | ​ | ​
* | Not yet earned as performance period not complete.

X
- Definition Tabular disclosure of performance period transition awards including but not limited to maximum shares that can be issued, shares earned and shares awarded or to be awarded. + References No definition available. + Details
Name: | stld_ScheduleOfPerformancePeriodTransitionAwardsTableTextBlock
Namespace Prefix: | stld_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration