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EQUITY AND NONCONTROLLING INTEREST - EQUITY AND NONCONTROLLING INTEREST NARRATIVE (Details) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 13, 2023 USD ($) $ / shares shares | Feb. 14, 2022 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) vote $ / shares shares | Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 shares | Dec. 04, 2023 USD ($) | May 31, 2021 USD ($) | Jul. 24, 2018 USD ($)
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common and preferred shares authorized (shares) |  |  | 1,055,000,000 |  |  |  |  |
Preferred stock, shares authorized (shares) |  |  | 5,000,000 |  |  |  |  |
Preferred stock, par (USD per share) | $ / shares |  |  | $ 1 |  |  |  |  |
Dividends, common stock, cash, additional percentage over Class B common stock dividends |  |  | 10.00% |  |  |  |  |
Treasury Stock, Value, Excise Tax | $ |  |  | $ 4,700 | $ 2,400 |  |  |  |
Common stock, shares, outstanding (shares) |  |  | 202,383,069 | 204,392,926 | 204,964,717 |  |  |
2018 Share Repurchase Program |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Amount | $ |  |  |  |  |  |  |  | $ 500,000
2021 Share Repurchase Program |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Amount | $ |  |  |  |  |  |  | $ 500,000 |
2023 Share Repurchase Program |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Share Repurchase Program, Authorized, Amount | $ |  |  |  |  |  | $ 500,000 |  |
Share Repurchase Program, Remaining Authorized, Amount | $ |  |  | $ 470,000 |  |  |  |  |
Common stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) |  |  | 900,000,000 |  |  |  |  |
Common stock, par (USD per share) | $ / shares |  |  | $ 1 |  |  |  |  |
Common stock, voting rights (vote) | vote |  |  | 1 |  |  |  |  |
Common stock voting rights, board election percentage |  |  | 16.66% |  |  |  |  |
Stock repurchases (shares) |  |  | 2,022,064 | 0 | 0 |  |  |
Common stock | Hershey Trust Company |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares, outstanding (shares) |  |  | 2,105,749 |  |  |  |  |
Class B common stock |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) |  |  | 150,000,000 |  |  |  |  |
Common stock, voting rights (vote) | vote |  |  | 10 |  |  |  |  |
Conversion of stock (shares) |  |  | 0 | 3,500,000 | 2,500,000 |  |  |
Class B common stock | Hershey Trust Company |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Common stock, shares, outstanding (shares) |  |  | 54,612,012 |  |  |  |  |
Common stock, voting percentage |  |  | 79.00% |  |  |  |  |
Hershey Trust Company |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |
Stock repurchases (shares) | 1,000,000 | 1,000,000 |  |  |  |  |  |
Treasury stock acquired, average cost per share (USD per share) | $ / shares | $ 239.91 | $ 203.35 |  |  |  |  |  |
Stock repurchased during period, value | $ | $ 239,910 | $ 203,350 |  |  |  |  |  |

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